1401978781

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1\times {\mathrm{3659}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 1619066880

約数和(自身を除く): 217088099

約数列:

[1, 7, 127, 431, 889, 3017, 3659, 25613, 54737, 383159, 464693, 1577029, 3252851, 11039203, 200282683, 1401978781]

約数ペア:

[(1, 1401978781), (7, 200282683), (127, 11039203), (431, 3252851), (889, 1577029), (3017, 464693), (3659, 383159), (25613, 54737)]