261253908

素因数分解:

$2^2\times 3^2\times {\mathrm{769}}^1\times {\mathrm{9437}}^1$

素因数の和:10216

約数の個数: 36

約数和(自身を含む): 661320660

約数和(自身を除く): 400066752

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 769, 1538, 2307, 3076, 4614, 6921, 9228, 9437, 13842, 18874, 27684, 28311, 37748, 56622, 84933, 113244, 169866, 339732, 7257053, 14514106, 21771159, 29028212, 43542318, 65313477, 87084636, 130626954, 261253908]

約数ペア:

[(1, 261253908), (2, 130626954), (3, 87084636), (4, 65313477), (6, 43542318), (9, 29028212), (12, 21771159), (18, 14514106), (36, 7257053), (769, 339732), (1538, 169866), (2307, 113244), (3076, 84933), (4614, 56622), (6921, 37748), (9228, 28311), (9437, 27684), (13842, 18874)]