408031351

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{20107}}^1$

素因数の和:20350

約数の個数: 16

約数和(自身を含む): 504469504

約数和(自身を除く): 96438153

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 20107, 20293, 140749, 261391, 1829737, 4483861, 31387027, 58290193, 408031351]

約数ペア:

[(1, 408031351), (7, 58290193), (13, 31387027), (91, 4483861), (223, 1829737), (1561, 261391), (2899, 140749), (20107, 20293)]