218450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 24

約数和(自身を含む): 431892

約数和(自身を除く): 213442

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 257, 425, 514, 850, 1285, 2570, 4369, 6425, 8738, 12850, 21845, 43690, 109225, 218450]

約数ペア:

[(1, 218450), (2, 109225), (5, 43690), (10, 21845), (17, 12850), (25, 8738), (34, 6425), (50, 4369), (85, 2570), (170, 1285), (257, 850), (425, 514)]