199995575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13093}}^1$

素因数の和:13163

約数の個数: 24

約数和(自身を含む): 272774208

約数和(自身を除く): 72778633

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 13093, 15275, 65465, 170209, 327325, 615371, 851045, 3076855, 4255225, 7999823, 15384275, 39999115, 199995575]

約数ペア:

[(1, 199995575), (5, 39999115), (13, 15384275), (25, 7999823), (47, 4255225), (65, 3076855), (235, 851045), (325, 615371), (611, 327325), (1175, 170209), (3055, 65465), (13093, 15275)]