397029386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{7639}}^1$

素因数の和:9653

約数の個数: 16

約数和(自身を含む): 641760000

約数和(自身を除く): 244730614

約数列:

[1, 2, 13, 26, 1999, 3998, 7639, 15278, 25987, 51974, 99307, 198614, 15270361, 30540722, 198514693, 397029386]

約数ペア:

[(1, 397029386), (2, 198514693), (13, 30540722), (26, 15270361), (1999, 198614), (3998, 99307), (7639, 51974), (15278, 25987)]