81167686

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{1481}}^1$

素因数の和:1959

約数の個数: 16

約数和(自身を含む): 123954480

約数和(自身を除く): 42786794

約数列:

[1, 2, 67, 134, 409, 818, 1481, 2962, 27403, 54806, 99227, 198454, 605729, 1211458, 40583843, 81167686]

約数ペア:

[(1, 81167686), (2, 40583843), (67, 1211458), (134, 605729), (409, 198454), (818, 99227), (1481, 54806), (2962, 27403)]