65990410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{431}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 121492224

約数和(自身を除く): 55501814

約数列:

[1, 2, 5, 10, 61, 122, 251, 305, 431, 502, 610, 862, 1255, 2155, 2510, 4310, 15311, 26291, 30622, 52582, 76555, 108181, 131455, 153110, 216362, 262910, 540905, 1081810, 6599041, 13198082, 32995205, 65990410]

約数ペア:

[(1, 65990410), (2, 32995205), (5, 13198082), (10, 6599041), (61, 1081810), (122, 540905), (251, 262910), (305, 216362), (431, 153110), (502, 131455), (610, 108181), (862, 76555), (1255, 52582), (2155, 30622), (2510, 26291), (4310, 15311)]