388978849

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71333}}^1$

素因数の和:71400

約数の個数: 16

約数和(自身を含む): 479364480

約数和(自身を除く): 90385631

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 71333, 499331, 1355327, 2924653, 9487289, 20472571, 55568407, 388978849]

約数ペア:

[(1, 388978849), (7, 55568407), (19, 20472571), (41, 9487289), (133, 2924653), (287, 1355327), (779, 499331), (5453, 71333)]