211156985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{23371}}^1$

素因数の和:23528

約数の個数: 16

約数和(自身を含む): 274854720

約数和(自身を除く): 63697735

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 23371, 116855, 303823, 1519115, 3248569, 16242845, 42231397, 211156985]

約数ペア:

[(1, 211156985), (5, 42231397), (13, 16242845), (65, 3248569), (139, 1519115), (695, 303823), (1807, 116855), (9035, 23371)]