1291363670

素因数分解:

$2^1\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{72671}}^1$

素因数の和:74455

約数の個数: 16

約数和(自身を含む): 2325794688

約数和(自身を除く): 1034431018

約数列:

[1, 2, 5, 10, 1777, 3554, 8885, 17770, 72671, 145342, 363355, 726710, 129136367, 258272734, 645681835, 1291363670]

約数ペア:

[(1, 1291363670), (2, 645681835), (5, 258272734), (10, 129136367), (1777, 726710), (3554, 363355), (8885, 145342), (17770, 72671)]