219872615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{2213}}^1$

素因数の和:2890

約数の個数: 16

約数和(自身を含む): 272906496

約数和(自身を除く): 53033881

約数列:

[1, 5, 31, 155, 641, 2213, 3205, 11065, 19871, 68603, 99355, 343015, 1418533, 7092665, 43974523, 219872615]

約数ペア:

[(1, 219872615), (5, 43974523), (31, 7092665), (155, 1418533), (641, 343015), (2213, 99355), (3205, 68603), (11065, 19871)]