28857716

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 51629760

約数和(自身を除く): 22772044

約数列:

[1, 2, 4, 89, 103, 178, 206, 356, 412, 787, 1574, 3148, 9167, 18334, 36668, 70043, 81061, 140086, 162122, 280172, 324244, 7214429, 14428858, 28857716]

約数ペア:

[(1, 28857716), (2, 14428858), (4, 7214429), (89, 324244), (103, 280172), (178, 162122), (206, 140086), (356, 81061), (412, 70043), (787, 36668), (1574, 18334), (3148, 9167)]