215410325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6833}}^1$

素因数の和:6953

約数の個数: 24

約数和(自身を含む): 290663688

約数和(自身を除く): 75253363

約数列:

[1, 5, 13, 25, 65, 97, 325, 485, 1261, 2425, 6305, 6833, 31525, 34165, 88829, 170825, 444145, 662801, 2220725, 3314005, 8616413, 16570025, 43082065, 215410325]

約数ペア:

[(1, 215410325), (5, 43082065), (13, 16570025), (25, 8616413), (65, 3314005), (97, 2220725), (325, 662801), (485, 444145), (1261, 170825), (2425, 88829), (6305, 34165), (6833, 31525)]