81374904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86939}}^1$

素因数の和:86964

約数の個数: 48

約数和(自身を含む): 237346200

約数和(自身を除く): 155971296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86939, 173878, 260817, 347756, 521634, 695512, 782451, 1043268, 1130207, 1564902, 2086536, 2260414, 3129804, 3390621, 4520828, 6259608, 6781242, 9041656, 10171863, 13562484, 20343726, 27124968, 40687452, 81374904]

約数ペア:

[(1, 81374904), (2, 40687452), (3, 27124968), (4, 20343726), (6, 13562484), (8, 10171863), (9, 9041656), (12, 6781242), (13, 6259608), (18, 4520828), (24, 3390621), (26, 3129804), (36, 2260414), (39, 2086536), (52, 1564902), (72, 1130207), (78, 1043268), (104, 782451), (117, 695512), (156, 521634), (234, 347756), (312, 260817), (468, 173878), (936, 86939)]