398932009

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{22787}}^1$

素因数の和:22896

約数の個数: 16

約数和(自身を含む): 474719616

約数和(自身を除く): 75787607

約数列:

[1, 7, 41, 61, 287, 427, 2501, 17507, 22787, 159509, 934267, 1390007, 6539869, 9730049, 56990287, 398932009]

約数ペア:

[(1, 398932009), (7, 56990287), (41, 9730049), (61, 6539869), (287, 1390007), (427, 934267), (2501, 159509), (17507, 22787)]