81115670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1901}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 155294496

約数和(自身を除く): 74178826

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 1901, 2510, 3802, 4267, 8534, 9505, 19010, 21335, 32317, 42670, 64634, 161585, 323170, 477151, 954302, 2385755, 4771510, 8111567, 16223134, 40557835, 81115670]

約数ペア:

[(1, 81115670), (2, 40557835), (5, 16223134), (10, 8111567), (17, 4771510), (34, 2385755), (85, 954302), (170, 477151), (251, 323170), (502, 161585), (1255, 64634), (1901, 42670), (2510, 32317), (3802, 21335), (4267, 19010), (8534, 9505)]