217412390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1\times {\mathrm{1453}}^1$

素因数の和:2624

約数の個数: 32

約数和(自身を含む): 422102016

約数和(自身を除く): 204689626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1151, 1453, 2302, 2906, 5755, 7265, 11510, 14530, 14963, 18889, 29926, 37778, 74815, 94445, 149630, 188890, 1672403, 3344806, 8362015, 16724030, 21741239, 43482478, 108706195, 217412390]

約数ペア:

[(1, 217412390), (2, 108706195), (5, 43482478), (10, 21741239), (13, 16724030), (26, 8362015), (65, 3344806), (130, 1672403), (1151, 188890), (1453, 149630), (2302, 94445), (2906, 74815), (5755, 37778), (7265, 29926), (11510, 18889), (14530, 14963)]