281639488

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2027}}^1$

素因数の和:2219

約数の個数: 56

約数和(自身を含む): 605771712

約数和(自身を除く): 324132224

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 167, 208, 334, 416, 668, 832, 1336, 2027, 2171, 2672, 4054, 4342, 5344, 8108, 8684, 10688, 16216, 17368, 26351, 32432, 34736, 52702, 64864, 69472, 105404, 129728, 138944, 210808, 338509, 421616, 677018, 843232, 1354036, 1686464, 2708072, 4400617, 5416144, 8801234, 10832288, 17602468, 21664576, 35204936, 70409872, 140819744, 281639488]

約数ペア:

[(1, 281639488), (2, 140819744), (4, 70409872), (8, 35204936), (13, 21664576), (16, 17602468), (26, 10832288), (32, 8801234), (52, 5416144), (64, 4400617), (104, 2708072), (167, 1686464), (208, 1354036), (334, 843232), (416, 677018), (668, 421616), (832, 338509), (1336, 210808), (2027, 138944), (2171, 129728), (2672, 105404), (4054, 69472), (4342, 64864), (5344, 52702), (8108, 34736), (8684, 32432), (10688, 26351), (16216, 17368)]