28657866

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 59007168

約数和(自身を除く): 30349302

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 277, 401, 554, 802, 831, 1203, 1662, 2406, 11911, 17243, 23822, 34486, 35733, 51729, 71466, 103458, 111077, 222154, 333231, 666462, 4776311, 9552622, 14328933, 28657866]

約数ペア:

[(1, 28657866), (2, 14328933), (3, 9552622), (6, 4776311), (43, 666462), (86, 333231), (129, 222154), (258, 111077), (277, 103458), (401, 71466), (554, 51729), (802, 35733), (831, 34486), (1203, 23822), (1662, 17243), (2406, 11911)]