210502825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{823}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 281801408

約数和(自身を除く): 71298583

約数列:

[1, 5, 13, 25, 65, 325, 787, 823, 3935, 4115, 10231, 10699, 19675, 20575, 51155, 53495, 255775, 267475, 647701, 3238505, 8420113, 16192525, 42100565, 210502825]

約数ペア:

[(1, 210502825), (5, 42100565), (13, 16192525), (25, 8420113), (65, 3238505), (325, 647701), (787, 267475), (823, 255775), (3935, 53495), (4115, 51155), (10231, 20575), (10699, 19675)]