81998478

素因数分解:

$2^1\times 3^2\times {\mathrm{1163}}^1\times {\mathrm{3917}}^1$

素因数の和:5088

約数の個数: 24

約数和(自身を含む): 177861528

約数和(自身を除く): 95863050

約数列:

[1, 2, 3, 6, 9, 18, 1163, 2326, 3489, 3917, 6978, 7834, 10467, 11751, 20934, 23502, 35253, 70506, 4555471, 9110942, 13666413, 27332826, 40999239, 81998478]

約数ペア:

[(1, 81998478), (2, 40999239), (3, 27332826), (6, 13666413), (9, 9110942), (18, 4555471), (1163, 70506), (2326, 35253), (3489, 23502), (3917, 20934), (6978, 11751), (7834, 10467)]