397243675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21737}}^1$

素因数の和:21807

約数の個数: 24

約数和(自身を含む): 533711376

約数和(自身を除く): 136467701

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 18275, 21737, 108685, 369529, 543425, 934691, 1847645, 4673455, 9238225, 15889747, 23367275, 79448735, 397243675]

約数ペア:

[(1, 397243675), (5, 79448735), (17, 23367275), (25, 15889747), (43, 9238225), (85, 4673455), (215, 1847645), (425, 934691), (731, 543425), (1075, 369529), (3655, 108685), (18275, 21737)]