9881870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 8697586

約数列:

[1, 2, 5, 10, 31, 62, 127, 155, 251, 254, 310, 502, 635, 1255, 1270, 2510, 3937, 7781, 7874, 15562, 19685, 31877, 38905, 39370, 63754, 77810, 159385, 318770, 988187, 1976374, 4940935, 9881870]

約数ペア:

[(1, 9881870), (2, 4940935), (5, 1976374), (10, 988187), (31, 318770), (62, 159385), (127, 77810), (155, 63754), (251, 39370), (254, 38905), (310, 31877), (502, 19685), (635, 15562), (1255, 7874), (1270, 7781), (2510, 3937)]