278315149

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{8861}}^1$

素因数の和:9516

約数の個数: 12

約数和(自身を含む): 324296028

約数和(自身を除く): 45980879

約数列:

[1, 7, 49, 641, 4487, 8861, 31409, 62027, 434189, 5679901, 39759307, 278315149]

約数ペア:

[(1, 278315149), (7, 39759307), (49, 5679901), (641, 434189), (4487, 62027), (8861, 31409)]