291497110

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 532425312

約数和(自身を除く): 240928202

約数列:

[1, 2, 5, 10, 101, 202, 257, 505, 514, 1010, 1123, 1285, 2246, 2570, 5615, 11230, 25957, 51914, 113423, 129785, 226846, 259570, 288611, 567115, 577222, 1134230, 1443055, 2886110, 29149711, 58299422, 145748555, 291497110]

約数ペア:

[(1, 291497110), (2, 145748555), (5, 58299422), (10, 29149711), (101, 2886110), (202, 1443055), (257, 1134230), (505, 577222), (514, 567115), (1010, 288611), (1123, 259570), (1285, 226846), (2246, 129785), (2570, 113423), (5615, 51914), (11230, 25957)]