201821945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{4799}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 261273600

約数和(自身を除く): 59451655

約数列:

[1, 5, 13, 65, 647, 3235, 4799, 8411, 23995, 42055, 62387, 311935, 3104953, 15524765, 40364389, 201821945]

約数ペア:

[(1, 201821945), (5, 40364389), (13, 15524765), (65, 3104953), (647, 311935), (3235, 62387), (4799, 42055), (8411, 23995)]