261301404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239287}}^1$

素因数の和:239314

約数の個数: 48

約数和(自身を含む): 750407168

約数和(自身を除く): 489105764

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 239287, 478574, 717861, 957148, 1435722, 1675009, 2871444, 3110731, 3350018, 5025027, 6221462, 6700036, 9332193, 10050054, 12442924, 18664386, 20100108, 21775117, 37328772, 43550234, 65325351, 87100468, 130650702, 261301404]

約数ペア:

[(1, 261301404), (2, 130650702), (3, 87100468), (4, 65325351), (6, 43550234), (7, 37328772), (12, 21775117), (13, 20100108), (14, 18664386), (21, 12442924), (26, 10050054), (28, 9332193), (39, 6700036), (42, 6221462), (52, 5025027), (78, 3350018), (84, 3110731), (91, 2871444), (156, 1675009), (182, 1435722), (273, 957148), (364, 717861), (546, 478574), (1092, 239287)]