2509507

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1038653

約数列:

[1, 7, 11, 13, 23, 77, 91, 109, 143, 161, 253, 299, 763, 1001, 1199, 1417, 1771, 2093, 2507, 3289, 8393, 9919, 15587, 17549, 23023, 27577, 32591, 109109, 193039, 228137, 358501, 2509507]

約数ペア:

[(1, 2509507), (7, 358501), (11, 228137), (13, 193039), (23, 109109), (77, 32591), (91, 27577), (109, 23023), (143, 17549), (161, 15587), (253, 9919), (299, 8393), (763, 3289), (1001, 2507), (1199, 2093), (1417, 1771)]