71297390

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{26309}}^1$

素因数の和:26587

約数の個数: 16

約数和(自身を含む): 128813760

約数和(自身を除く): 57516370

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 26309, 52618, 131545, 263090, 7129739, 14259478, 35648695, 71297390]

約数ペア:

[(1, 71297390), (2, 35648695), (5, 14259478), (10, 7129739), (271, 263090), (542, 131545), (1355, 52618), (2710, 26309)]