81676636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{1237}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 151620336

約数和(自身を除く): 69943700

約数列:

[1, 2, 4, 17, 34, 68, 971, 1237, 1942, 2474, 3884, 4948, 16507, 21029, 33014, 42058, 66028, 84116, 1201127, 2402254, 4804508, 20419159, 40838318, 81676636]

約数ペア:

[(1, 81676636), (2, 40838318), (4, 20419159), (17, 4804508), (34, 2402254), (68, 1201127), (971, 84116), (1237, 66028), (1942, 42058), (2474, 33014), (3884, 21029), (4948, 16507)]