77931768

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 218880000

約数和(自身を除く): 140948232

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 37, 38, 57, 62, 74, 76, 93, 111, 114, 124, 148, 149, 152, 186, 222, 228, 248, 296, 298, 372, 444, 447, 456, 589, 596, 703, 744, 888, 894, 1147, 1178, 1192, 1406, 1767, 1788, 2109, 2294, 2356, 2812, 2831, 3441, 3534, 3576, 4218, 4588, 4619, 4712, 5513, 5624, 5662, 6882, 7068, 8436, 8493, 9176, 9238, 11026, 11324, 13764, 13857, 14136, 16539, 16872, 16986, 18476, 21793, 22052, 22648, 27528, 27714, 33078, 33972, 36952, 43586, 44104, 55428, 65379, 66156, 67944, 87172, 87761, 104747, 110856, 130758, 132312, 170903, 174344, 175522, 209494, 261516, 263283, 314241, 341806, 351044, 418988, 512709, 523032, 526566, 628482, 683612, 702088, 837976, 1025418, 1053132, 1256964, 1367224, 2050836, 2106264, 2513928, 3247157, 4101672, 6494314, 9741471, 12988628, 19482942, 25977256, 38965884, 77931768]

約数ペア:

[(1, 77931768), (2, 38965884), (3, 25977256), (4, 19482942), (6, 12988628), (8, 9741471), (12, 6494314), (19, 4101672), (24, 3247157), (31, 2513928), (37, 2106264), (38, 2050836), (57, 1367224), (62, 1256964), (74, 1053132), (76, 1025418), (93, 837976), (111, 702088), (114, 683612), (124, 628482), (148, 526566), (149, 523032), (152, 512709), (186, 418988), (222, 351044), (228, 341806), (248, 314241), (296, 263283), (298, 261516), (372, 209494), (444, 175522), (447, 174344), (456, 170903), (589, 132312), (596, 130758), (703, 110856), (744, 104747), (888, 87761), (894, 87172), (1147, 67944), (1178, 66156), (1192, 65379), (1406, 55428), (1767, 44104), (1788, 43586), (2109, 36952), (2294, 33972), (2356, 33078), (2812, 27714), (2831, 27528), (3441, 22648), (3534, 22052), (3576, 21793), (4218, 18476), (4588, 16986), (4619, 16872), (4712, 16539), (5513, 14136), (5624, 13857), (5662, 13764), (6882, 11324), (7068, 11026), (8436, 9238), (8493, 9176)]