20190107

素因数分解:

$7^2\times {\mathrm{631}}^1\times {\mathrm{653}}^1$

素因数の和:1298

約数の個数: 12

約数和(自身を含む): 23559696

約数和(自身を除く): 3369589

約数列:

[1, 7, 49, 631, 653, 4417, 4571, 30919, 31997, 412043, 2884301, 20190107]

約数ペア:

[(1, 20190107), (7, 2884301), (49, 412043), (631, 31997), (653, 30919), (4417, 4571)]