81279710

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{121313}}^1$

素因数の和:121387

約数の個数: 16

約数和(自身を含む): 148488336

約数和(自身を除く): 67208626

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 121313, 242626, 606565, 1213130, 8127971, 16255942, 40639855, 81279710]

約数ペア:

[(1, 81279710), (2, 40639855), (5, 16255942), (10, 8127971), (67, 1213130), (134, 606565), (335, 242626), (670, 121313)]