28739425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8073

約数の個数: 24

約数和(自身を含む): 41872320

約数和(自身を除く): 13132895

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 8039, 40195, 88429, 104507, 200975, 442145, 522535, 1149577, 2210725, 2612675, 5747885, 28739425]

約数ペア:

[(1, 28739425), (5, 5747885), (11, 2612675), (13, 2210725), (25, 1149577), (55, 522535), (65, 442145), (143, 200975), (275, 104507), (325, 88429), (715, 40195), (3575, 8039)]