155289985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{42487}}^1$

素因数の和:42552

約数の個数: 16

約数和(自身を含む): 201902976

約数和(自身を除く): 46612991

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 42487, 212435, 722279, 1826941, 3611395, 9134705, 31057997, 155289985]

約数ペア:

[(1, 155289985), (5, 31057997), (17, 9134705), (43, 3611395), (85, 1826941), (215, 722279), (731, 212435), (3655, 42487)]