397157026

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1668727}}^1$

素因数の和:1668753

約数の個数: 16

約数和(自身を含む): 720890496

約数和(自身を除く): 323733470

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1668727, 3337454, 11681089, 23362178, 28368359, 56736718, 198578513, 397157026]

約数ペア:

[(1, 397157026), (2, 198578513), (7, 56736718), (14, 28368359), (17, 23362178), (34, 11681089), (119, 3337454), (238, 1668727)]