490568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 1020600

約数和(自身を除く): 530032

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 89, 104, 106, 178, 212, 356, 424, 689, 712, 1157, 1378, 2314, 2756, 4628, 4717, 5512, 9256, 9434, 18868, 37736, 61321, 122642, 245284, 490568]

約数ペア:

[(1, 490568), (2, 245284), (4, 122642), (8, 61321), (13, 37736), (26, 18868), (52, 9434), (53, 9256), (89, 5512), (104, 4717), (106, 4628), (178, 2756), (212, 2314), (356, 1378), (424, 1157), (689, 712)]