81931604

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{1459}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 145941600

約数和(自身を除く): 64009996

約数列:

[1, 2, 4, 101, 139, 202, 278, 404, 556, 1459, 2918, 5836, 14039, 28078, 56156, 147359, 202801, 294718, 405602, 589436, 811204, 20482901, 40965802, 81931604]

約数ペア:

[(1, 81931604), (2, 40965802), (4, 20482901), (101, 811204), (139, 589436), (202, 405602), (278, 294718), (404, 202801), (556, 147359), (1459, 56156), (2918, 28078), (5836, 14039)]