81668802

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 178899840

約数和(自身を除く): 97231038

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 101, 114, 123, 173, 202, 246, 303, 346, 519, 606, 779, 1038, 1558, 1919, 2337, 3287, 3838, 4141, 4674, 5757, 6574, 7093, 8282, 9861, 11514, 12423, 14186, 17473, 19722, 21279, 24846, 34946, 42558, 52419, 78679, 104838, 134767, 157358, 236037, 269534, 331987, 404301, 472074, 663974, 716393, 808602, 995961, 1432786, 1991922, 2149179, 4298358, 13611467, 27222934, 40834401, 81668802]

約数ペア:

[(1, 81668802), (2, 40834401), (3, 27222934), (6, 13611467), (19, 4298358), (38, 2149179), (41, 1991922), (57, 1432786), (82, 995961), (101, 808602), (114, 716393), (123, 663974), (173, 472074), (202, 404301), (246, 331987), (303, 269534), (346, 236037), (519, 157358), (606, 134767), (779, 104838), (1038, 78679), (1558, 52419), (1919, 42558), (2337, 34946), (3287, 24846), (3838, 21279), (4141, 19722), (4674, 17473), (5757, 14186), (6574, 12423), (7093, 11514), (8282, 9861)]