207947974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{4001}}^1$

素因数の和:6015

約数の個数: 16

約数和(自身を含む): 336168000

約数和(自身を除く): 128220026

約数列:

[1, 2, 13, 26, 1999, 3998, 4001, 8002, 25987, 51974, 52013, 104026, 7997999, 15995998, 103973987, 207947974]

約数ペア:

[(1, 207947974), (2, 103973987), (13, 15995998), (26, 7997999), (1999, 104026), (3998, 52013), (4001, 51974), (8002, 25987)]