90488268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 247665600

約数和(自身を除く): 157177332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 239, 468, 478, 717, 809, 956, 1434, 1618, 2151, 2427, 2868, 3107, 3236, 4302, 4854, 6214, 7281, 8604, 9321, 9708, 10517, 12428, 14562, 18642, 21034, 27963, 29124, 31551, 37284, 42068, 55926, 63102, 94653, 111852, 126204, 189306, 193351, 378612, 386702, 580053, 773404, 1160106, 1740159, 2320212, 2513563, 3480318, 5027126, 6960636, 7540689, 10054252, 15081378, 22622067, 30162756, 45244134, 90488268]

約数ペア:

[(1, 90488268), (2, 45244134), (3, 30162756), (4, 22622067), (6, 15081378), (9, 10054252), (12, 7540689), (13, 6960636), (18, 5027126), (26, 3480318), (36, 2513563), (39, 2320212), (52, 1740159), (78, 1160106), (117, 773404), (156, 580053), (234, 386702), (239, 378612), (468, 193351), (478, 189306), (717, 126204), (809, 111852), (956, 94653), (1434, 63102), (1618, 55926), (2151, 42068), (2427, 37284), (2868, 31551), (3107, 29124), (3236, 27963), (4302, 21034), (4854, 18642), (6214, 14562), (7281, 12428), (8604, 10517), (9321, 9708)]