1380451216

素因数分解:

$2^4\times {\mathrm{8821}}^1\times {\mathrm{9781}}^1$

素因数の和:18610

約数の個数: 20

約数和(自身を含む): 2675200924

約数和(自身を除く): 1294749708

約数列:

[1, 2, 4, 8, 16, 8821, 9781, 17642, 19562, 35284, 39124, 70568, 78248, 141136, 156496, 86278201, 172556402, 345112804, 690225608, 1380451216]

約数ペア:

[(1, 1380451216), (2, 690225608), (4, 345112804), (8, 172556402), (16, 86278201), (8821, 156496), (9781, 141136), (17642, 78248), (19562, 70568), (35284, 39124)]