13720196

素因数分解:

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

素因数の和:70019

約数の個数: 18

約数和(自身を含む): 27930798

約数和(自身を除く): 14210602

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 70001, 140002, 280004, 490007, 980014, 1960028, 3430049, 6860098, 13720196]

約数ペア:

[(1, 13720196), (2, 6860098), (4, 3430049), (7, 1960028), (14, 980014), (28, 490007), (49, 280004), (98, 140002), (196, 70001)]