1640291268

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{253601}}^1$

素因数の和:253633

約数の個数: 72

約数和(自身を含む): 4856985504

約数和(自身を除く): 3216694236

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 253601, 507202, 760803, 1014404, 1521606, 1775207, 2789611, 3043212, 3550414, 5325621, 5579222, 7100828, 8368833, 10651242, 11158444, 12426449, 16737666, 19527277, 21302484, 24852898, 33475332, 37279347, 39054554, 49705796, 58581831, 74558694, 78109108, 117163662, 136690939, 149117388, 234327324, 273381878, 410072817, 546763756, 820145634, 1640291268]

約数ペア:

[(1, 1640291268), (2, 820145634), (3, 546763756), (4, 410072817), (6, 273381878), (7, 234327324), (11, 149117388), (12, 136690939), (14, 117163662), (21, 78109108), (22, 74558694), (28, 58581831), (33, 49705796), (42, 39054554), (44, 37279347), (49, 33475332), (66, 24852898), (77, 21302484), (84, 19527277), (98, 16737666), (132, 12426449), (147, 11158444), (154, 10651242), (196, 8368833), (231, 7100828), (294, 5579222), (308, 5325621), (462, 3550414), (539, 3043212), (588, 2789611), (924, 1775207), (1078, 1521606), (1617, 1014404), (2156, 760803), (3234, 507202), (6468, 253601)]