81372268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8609}}^1$

素因数の和:8769

約数の個数: 24

約数和(自身を含む): 151880400

約数和(自身を除く): 70508132

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2363, 4726, 8609, 9452, 17218, 34436, 146353, 292706, 585412, 1196651, 2393302, 4786604, 20343067, 40686134, 81372268]

約数ペア:

[(1, 81372268), (2, 40686134), (4, 20343067), (17, 4786604), (34, 2393302), (68, 1196651), (139, 585412), (278, 292706), (556, 146353), (2363, 34436), (4726, 17218), (8609, 9452)]