668636638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241037}}^1$

素因数の和:241131

約数の個数: 16

約数和(自身を含む): 1070208720

約数和(自身を除く): 401572082

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 241037, 482074, 4579703, 9159406, 17595701, 35191402, 334318319, 668636638]

約数ペア:

[(1, 668636638), (2, 334318319), (19, 35191402), (38, 17595701), (73, 9159406), (146, 4579703), (1387, 482074), (2774, 241037)]