81290556

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3167}}^1$

素因数の和:3231

約数の個数: 72

約数和(自身を含む): 221405184

約数和(自身を除く): 140114628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1426, 2139, 2852, 3167, 4278, 6334, 6417, 8556, 9501, 12668, 12834, 19002, 25668, 28503, 38004, 57006, 72841, 98177, 114012, 145682, 196354, 218523, 291364, 294531, 392708, 437046, 589062, 655569, 874092, 883593, 1178124, 1311138, 1767186, 2258071, 2622276, 3534372, 4516142, 6774213, 9032284, 13548426, 20322639, 27096852, 40645278, 81290556]

約数ペア:

[(1, 81290556), (2, 40645278), (3, 27096852), (4, 20322639), (6, 13548426), (9, 9032284), (12, 6774213), (18, 4516142), (23, 3534372), (31, 2622276), (36, 2258071), (46, 1767186), (62, 1311138), (69, 1178124), (92, 883593), (93, 874092), (124, 655569), (138, 589062), (186, 437046), (207, 392708), (276, 294531), (279, 291364), (372, 218523), (414, 196354), (558, 145682), (713, 114012), (828, 98177), (1116, 72841), (1426, 57006), (2139, 38004), (2852, 28503), (3167, 25668), (4278, 19002), (6334, 12834), (6417, 12668), (8556, 9501)]