161874425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{380881}}^1$

素因数の和:380908

約数の個数: 12

約数和(自身を含む): 212532156

約数和(自身を除く): 50657731

約数列:

[1, 5, 17, 25, 85, 425, 380881, 1904405, 6474977, 9522025, 32374885, 161874425]

約数ペア:

[(1, 161874425), (5, 32374885), (17, 9522025), (25, 6474977), (85, 1904405), (425, 380881)]