81500930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1783}}^1$

素因数の和:2450

約数の個数: 32

約数和(自身を含む): 168009984

約数和(自身を除く): 86509054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 653, 1306, 1783, 3265, 3566, 4571, 6530, 8915, 9142, 12481, 17830, 22855, 24962, 45710, 62405, 124810, 1164299, 2328598, 5821495, 8150093, 11642990, 16300186, 40750465, 81500930]

約数ペア:

[(1, 81500930), (2, 40750465), (5, 16300186), (7, 11642990), (10, 8150093), (14, 5821495), (35, 2328598), (70, 1164299), (653, 124810), (1306, 62405), (1783, 45710), (3265, 24962), (3566, 22855), (4571, 17830), (6530, 12481), (8915, 9142)]