214780865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106591}}^1$

素因数の和:106640

約数の個数: 16

約数和(自身を含む): 286519296

約数和(自身を除く): 71738431

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 106591, 532955, 1385683, 3304321, 6928415, 16521605, 42956173, 214780865]

約数ペア:

[(1, 214780865), (5, 42956173), (13, 16521605), (31, 6928415), (65, 3304321), (155, 1385683), (403, 532955), (2015, 106591)]