71681218

素因数分解:

$2^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{4909}}^1$

素因数の和:5074

約数の個数: 24

約数和(自身を含む): 125941500

約数和(自身を除く): 54260282

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 1043, 2086, 4909, 7301, 9818, 14602, 34363, 68726, 240541, 481082, 731441, 1462882, 5120087, 10240174, 35840609, 71681218]

約数ペア:

[(1, 71681218), (2, 35840609), (7, 10240174), (14, 5120087), (49, 1462882), (98, 731441), (149, 481082), (298, 240541), (1043, 68726), (2086, 34363), (4909, 14602), (7301, 9818)]