220951802

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:638

約数の個数: 24

約数和(自身を含む): 342443700

約数和(自身を除く): 121491898

約数列:

[1, 2, 43, 86, 149, 298, 401, 802, 1849, 3698, 6407, 12814, 17243, 34486, 59749, 119498, 275501, 551002, 741449, 1482898, 2569207, 5138414, 110475901, 220951802]

約数ペア:

[(1, 220951802), (2, 110475901), (43, 5138414), (86, 2569207), (149, 1482898), (298, 741449), (401, 551002), (802, 275501), (1849, 119498), (3698, 59749), (6407, 34486), (12814, 17243)]