289508375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1284

約数の個数: 32

約数和(自身を含む): 391844544

約数和(自身を除く): 102336169

約数列:

[1, 5, 13, 25, 65, 125, 163, 325, 815, 1093, 1625, 2119, 4075, 5465, 10595, 14209, 20375, 27325, 52975, 71045, 136625, 178159, 264875, 355225, 890795, 1776125, 2316067, 4453975, 11580335, 22269875, 57901675, 289508375]

約数ペア:

[(1, 289508375), (5, 57901675), (13, 22269875), (25, 11580335), (65, 4453975), (125, 2316067), (163, 1776125), (325, 890795), (815, 355225), (1093, 264875), (1625, 178159), (2119, 136625), (4075, 71045), (5465, 52975), (10595, 27325), (14209, 20375)]