647467884

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 192

約数和(自身を含む): 2002022400

約数和(自身を除く): 1354554516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 79, 84, 108, 111, 126, 148, 158, 189, 222, 237, 252, 259, 293, 316, 333, 378, 444, 474, 518, 553, 586, 666, 711, 756, 777, 879, 948, 999, 1036, 1106, 1172, 1332, 1422, 1554, 1659, 1758, 1998, 2051, 2133, 2212, 2331, 2637, 2844, 2923, 3108, 3318, 3516, 3996, 4102, 4266, 4662, 4977, 5274, 5846, 6153, 6636, 6993, 7911, 8204, 8532, 8769, 9324, 9954, 10548, 10841, 11692, 12306, 13986, 14931, 15822, 17538, 18459, 19908, 20461, 21682, 23147, 24612, 26307, 27972, 29862, 31644, 32523, 35076, 36918, 40922, 43364, 46294, 52614, 55377, 59724, 61383, 65046, 69441, 73836, 75887, 78921, 81844, 92588, 97569, 105228, 110754, 122766, 130092, 138882, 151774, 157842, 162029, 184149, 195138, 208323, 221508, 227661, 245532, 277764, 292707, 303548, 315684, 324058, 368298, 390276, 416646, 455322, 486087, 552447, 585414, 624969, 648116, 682983, 736596, 833292, 856439, 910644, 972174, 1104894, 1170828, 1249938, 1365966, 1458261, 1712878, 1944348, 2048949, 2209788, 2499876, 2569317, 2731932, 2916522, 3425756, 4097898, 4374783, 5138634, 5833044, 5995073, 7707951, 8195796, 8749566, 10277268, 11990146, 15415902, 17499132, 17985219, 23123853, 23980292, 30831804, 35970438, 46247706, 53955657, 71940876, 92495412, 107911314, 161866971, 215822628, 323733942, 647467884]

約数ペア:

[(1, 647467884), (2, 323733942), (3, 215822628), (4, 161866971), (6, 107911314), (7, 92495412), (9, 71940876), (12, 53955657), (14, 46247706), (18, 35970438), (21, 30831804), (27, 23980292), (28, 23123853), (36, 17985219), (37, 17499132), (42, 15415902), (54, 11990146), (63, 10277268), (74, 8749566), (79, 8195796), (84, 7707951), (108, 5995073), (111, 5833044), (126, 5138634), (148, 4374783), (158, 4097898), (189, 3425756), (222, 2916522), (237, 2731932), (252, 2569317), (259, 2499876), (293, 2209788), (316, 2048949), (333, 1944348), (378, 1712878), (444, 1458261), (474, 1365966), (518, 1249938), (553, 1170828), (586, 1104894), (666, 972174), (711, 910644), (756, 856439), (777, 833292), (879, 736596), (948, 682983), (999, 648116), (1036, 624969), (1106, 585414), (1172, 552447), (1332, 486087), (1422, 455322), (1554, 416646), (1659, 390276), (1758, 368298), (1998, 324058), (2051, 315684), (2133, 303548), (2212, 292707), (2331, 277764), (2637, 245532), (2844, 227661), (2923, 221508), (3108, 208323), (3318, 195138), (3516, 184149), (3996, 162029), (4102, 157842), (4266, 151774), (4662, 138882), (4977, 130092), (5274, 122766), (5846, 110754), (6153, 105228), (6636, 97569), (6993, 92588), (7911, 81844), (8204, 78921), (8532, 75887), (8769, 73836), (9324, 69441), (9954, 65046), (10548, 61383), (10841, 59724), (11692, 55377), (12306, 52614), (13986, 46294), (14931, 43364), (15822, 40922), (17538, 36918), (18459, 35076), (19908, 32523), (20461, 31644), (21682, 29862), (23147, 27972), (24612, 26307)]