210797470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1621519}}^1$

素因数の和:1621539

約数の個数: 16

約数和(自身を含む): 408623040

約数和(自身を除く): 197825570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1621519, 3243038, 8107595, 16215190, 21079747, 42159494, 105398735, 210797470]

約数ペア:

[(1, 210797470), (2, 105398735), (5, 42159494), (10, 21079747), (13, 16215190), (26, 8107595), (65, 3243038), (130, 1621519)]