397928656

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1462973}}^1$

素因数の和:1462998

約数の個数: 20

約数和(自身を含む): 816339492

約数和(自身を除く): 418410836

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1462973, 2925946, 5851892, 11703784, 23407568, 24870541, 49741082, 99482164, 198964328, 397928656]

約数ペア:

[(1, 397928656), (2, 198964328), (4, 99482164), (8, 49741082), (16, 24870541), (17, 23407568), (34, 11703784), (68, 5851892), (136, 2925946), (272, 1462973)]