1681437815

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 2101450560

約数和(自身を除く): 420012745

約数列:

[1, 5, 43, 109, 157, 215, 457, 545, 785, 2285, 4687, 6751, 17113, 19651, 23435, 33755, 49813, 71749, 85565, 98255, 249065, 358745, 735859, 2141959, 3085207, 3679295, 7820641, 10709795, 15426035, 39103205, 336287563, 1681437815]

約数ペア:

[(1, 1681437815), (5, 336287563), (43, 39103205), (109, 15426035), (157, 10709795), (215, 7820641), (457, 3679295), (545, 3085207), (785, 2141959), (2285, 735859), (4687, 358745), (6751, 249065), (17113, 98255), (19651, 85565), (23435, 71749), (33755, 49813)]