145778825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{20177}}^1$

素因数の和:20221

約数の個数: 18

約数和(自身を含む): 192034026

約数和(自身を除く): 46255201

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 20177, 100885, 343009, 504425, 1715045, 5831153, 8575225, 29155765, 145778825]

約数ペア:

[(1, 145778825), (5, 29155765), (17, 8575225), (25, 5831153), (85, 1715045), (289, 504425), (425, 343009), (1445, 100885), (7225, 20177)]