1997315796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 5822208000

約数和(自身を除く): 3824892204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 149, 222, 227, 228, 259, 266, 298, 399, 444, 447, 454, 518, 532, 596, 681, 703, 777, 798, 894, 908, 1036, 1043, 1362, 1406, 1554, 1589, 1596, 1788, 2086, 2109, 2724, 2812, 2831, 3108, 3129, 3178, 4172, 4218, 4313, 4767, 4921, 5513, 5662, 6258, 6356, 8399, 8436, 8493, 8626, 9534, 9842, 11026, 11324, 12516, 12939, 14763, 16539, 16798, 16986, 17252, 19068, 19684, 19817, 22052, 25197, 25878, 29526, 30191, 33078, 33596, 33823, 33972, 38591, 39634, 50394, 51756, 58793, 59052, 59451, 60382, 66156, 67646, 77182, 79268, 90573, 100788, 101469, 104747, 115773, 117586, 118902, 120764, 135292, 154364, 159581, 176379, 181146, 202938, 209494, 231546, 235172, 236761, 237804, 314241, 319162, 352758, 362292, 405876, 418988, 463092, 473522, 478743, 628482, 638324, 642637, 705516, 710283, 733229, 947044, 957486, 1117067, 1251451, 1256964, 1285274, 1420566, 1466458, 1914972, 1927911, 2199687, 2234134, 2502902, 2570548, 2841132, 2932916, 3351201, 3754353, 3855822, 4399374, 4468268, 4498459, 5005804, 6702402, 7508706, 7711644, 8760157, 8798748, 8996918, 13404804, 13495377, 15017412, 17520314, 17993836, 23777569, 26280471, 26990754, 35040628, 47555138, 52560942, 53981508, 71332707, 95110276, 105121884, 142665414, 166442983, 285330828, 332885966, 499328949, 665771932, 998657898, 1997315796]

約数ペア:

[(1, 1997315796), (2, 998657898), (3, 665771932), (4, 499328949), (6, 332885966), (7, 285330828), (12, 166442983), (14, 142665414), (19, 105121884), (21, 95110276), (28, 71332707), (37, 53981508), (38, 52560942), (42, 47555138), (57, 35040628), (74, 26990754), (76, 26280471), (84, 23777569), (111, 17993836), (114, 17520314), (133, 15017412), (148, 13495377), (149, 13404804), (222, 8996918), (227, 8798748), (228, 8760157), (259, 7711644), (266, 7508706), (298, 6702402), (399, 5005804), (444, 4498459), (447, 4468268), (454, 4399374), (518, 3855822), (532, 3754353), (596, 3351201), (681, 2932916), (703, 2841132), (777, 2570548), (798, 2502902), (894, 2234134), (908, 2199687), (1036, 1927911), (1043, 1914972), (1362, 1466458), (1406, 1420566), (1554, 1285274), (1589, 1256964), (1596, 1251451), (1788, 1117067), (2086, 957486), (2109, 947044), (2724, 733229), (2812, 710283), (2831, 705516), (3108, 642637), (3129, 638324), (3178, 628482), (4172, 478743), (4218, 473522), (4313, 463092), (4767, 418988), (4921, 405876), (5513, 362292), (5662, 352758), (6258, 319162), (6356, 314241), (8399, 237804), (8436, 236761), (8493, 235172), (8626, 231546), (9534, 209494), (9842, 202938), (11026, 181146), (11324, 176379), (12516, 159581), (12939, 154364), (14763, 135292), (16539, 120764), (16798, 118902), (16986, 117586), (17252, 115773), (19068, 104747), (19684, 101469), (19817, 100788), (22052, 90573), (25197, 79268), (25878, 77182), (29526, 67646), (30191, 66156), (33078, 60382), (33596, 59451), (33823, 59052), (33972, 58793), (38591, 51756), (39634, 50394)]