215290138861

素因数分解:

$7^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1\times {\mathrm{275399}}^1$

素因数の和:276204

約数の個数: 16

約数和(自身を含む): 247807123200

約数和(自身を除く): 32516984339

約数列:

[1, 7, 181, 617, 1267, 4319, 111677, 275399, 781739, 1927793, 49847219, 169921183, 348930533, 1189448281, 30755734123, 215290138861]

約数ペア:

[(1, 215290138861), (7, 30755734123), (181, 1189448281), (617, 348930533), (1267, 169921183), (4319, 49847219), (111677, 1927793), (275399, 781739)]