214978309

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{7901}}^1$

素因数の和:7957

約数の個数: 24

約数和(自身を含む): 277644672

約数和(自身を除く): 62666363

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 1183, 2093, 3887, 7901, 27209, 55307, 102713, 181723, 718991, 1272061, 1335269, 2362399, 9346883, 16536793, 30711187, 214978309]

約数ペア:

[(1, 214978309), (7, 30711187), (13, 16536793), (23, 9346883), (91, 2362399), (161, 1335269), (169, 1272061), (299, 718991), (1183, 181723), (2093, 102713), (3887, 55307), (7901, 27209)]