205541455

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 295446528

約数和(自身を除く): 89905073

約数列:

[1, 5, 7, 23, 35, 115, 161, 311, 805, 821, 1555, 2177, 4105, 5747, 7153, 10885, 18883, 28735, 35765, 50071, 94415, 132181, 250355, 255331, 660905, 1276655, 1787317, 5872613, 8936585, 29363065, 41108291, 205541455]

約数ペア:

[(1, 205541455), (5, 41108291), (7, 29363065), (23, 8936585), (35, 5872613), (115, 1787317), (161, 1276655), (311, 660905), (805, 255331), (821, 250355), (1555, 132181), (2177, 94415), (4105, 50071), (5747, 35765), (7153, 28735), (10885, 18883)]