81649028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{15199}}^1$

素因数の和:15299

約数の個数: 24

約数和(自身を含む): 153216000

約数和(自身を除く): 71566972

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 5372, 15199, 30398, 60796, 258383, 516766, 1033532, 1200721, 2401442, 4802884, 20412257, 40824514, 81649028]

約数ペア:

[(1, 81649028), (2, 40824514), (4, 20412257), (17, 4802884), (34, 2401442), (68, 1200721), (79, 1033532), (158, 516766), (316, 258383), (1343, 60796), (2686, 30398), (5372, 15199)]