28420406

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{70001}}^1$

素因数の和:70039

約数の個数: 16

約数和(自身を含む): 50401440

約数和(自身を除く): 21981034

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 70001, 140002, 490007, 980014, 2030029, 4060058, 14210203, 28420406]

約数ペア:

[(1, 28420406), (2, 14210203), (7, 4060058), (14, 2030029), (29, 980014), (58, 490007), (203, 140002), (406, 70001)]