31331193607

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1\times {\mathrm{2143}}^1$

素因数の和:3523

約数の個数: 32

約数和(自身を含む): 37937479680

約数和(自身を除く): 6606286073

約数列:

[1, 7, 23, 71, 161, 497, 1279, 1633, 2143, 8953, 11431, 15001, 29417, 49289, 90809, 152153, 205919, 345023, 635663, 1065071, 2088607, 2740897, 3499519, 14620249, 19186279, 24496633, 63040631, 194603687, 441284417, 1362225809, 4475884801, 31331193607]

約数ペア:

[(1, 31331193607), (7, 4475884801), (23, 1362225809), (71, 441284417), (161, 194603687), (497, 63040631), (1279, 24496633), (1633, 19186279), (2143, 14620249), (8953, 3499519), (11431, 2740897), (15001, 2088607), (29417, 1065071), (49289, 635663), (90809, 345023), (152153, 205919)]