81328604

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36767}}^1$

素因数の和:36857

約数の個数: 24

約数和(自身を含む): 164720640

約数和(自身を除く): 83392036

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36767, 73534, 147068, 257369, 514738, 1029476, 2904593, 5809186, 11618372, 20332151, 40664302, 81328604]

約数ペア:

[(1, 81328604), (2, 40664302), (4, 20332151), (7, 11618372), (14, 5809186), (28, 2904593), (79, 1029476), (158, 514738), (316, 257369), (553, 147068), (1106, 73534), (2212, 36767)]