213294580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2441}}^1$

素因数の和:2724

約数の個数: 48

約数和(自身を含む): 476307216

約数和(自身を除く): 263012636

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2441, 2570, 4369, 4882, 5140, 8738, 9764, 12205, 17476, 21845, 24410, 41497, 43690, 48820, 82994, 87380, 165988, 207485, 414970, 627337, 829940, 1254674, 2509348, 3136685, 6273370, 10664729, 12546740, 21329458, 42658916, 53323645, 106647290, 213294580]

約数ペア:

[(1, 213294580), (2, 106647290), (4, 53323645), (5, 42658916), (10, 21329458), (17, 12546740), (20, 10664729), (34, 6273370), (68, 3136685), (85, 2509348), (170, 1254674), (257, 829940), (340, 627337), (514, 414970), (1028, 207485), (1285, 165988), (2441, 87380), (2570, 82994), (4369, 48820), (4882, 43690), (5140, 41497), (8738, 24410), (9764, 21845), (12205, 17476)]