7401153968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{255989}}^1$

素因数の和:256149

約数の個数: 40

約数和(自身を含む): 15553952400

約数和(自身を除く): 8152798432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 14456, 28912, 255989, 511978, 1023956, 2047912, 3327857, 4095824, 6655714, 13311428, 26622856, 35582471, 53245712, 71164942, 142329884, 284659768, 462572123, 569319536, 925144246, 1850288492, 3700576984, 7401153968]

約数ペア:

[(1, 7401153968), (2, 3700576984), (4, 1850288492), (8, 925144246), (13, 569319536), (16, 462572123), (26, 284659768), (52, 142329884), (104, 71164942), (139, 53245712), (208, 35582471), (278, 26622856), (556, 13311428), (1112, 6655714), (1807, 4095824), (2224, 3327857), (3614, 2047912), (7228, 1023956), (14456, 511978), (28912, 255989)]