399890642

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{8807}}^1$

素因数の和:9193

約数の個数: 16

約数和(自身を含む): 610077312

約数和(自身を除く): 210186670

約数列:

[1, 2, 73, 146, 311, 622, 8807, 17614, 22703, 45406, 642911, 1285822, 2738977, 5477954, 199945321, 399890642]

約数ペア:

[(1, 399890642), (2, 199945321), (73, 5477954), (146, 2738977), (311, 1285822), (622, 642911), (8807, 45406), (17614, 22703)]