215918808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1285231}}^1$

素因数の和:1285247

約数の個数: 32

約数和(自身を含む): 616911360

約数和(自身を除く): 400992552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1285231, 2570462, 3855693, 5140924, 7711386, 8996617, 10281848, 15422772, 17993234, 26989851, 30845544, 35986468, 53979702, 71972936, 107959404, 215918808]

約数ペア:

[(1, 215918808), (2, 107959404), (3, 71972936), (4, 53979702), (6, 35986468), (7, 30845544), (8, 26989851), (12, 17993234), (14, 15422772), (21, 10281848), (24, 8996617), (28, 7711386), (42, 5140924), (56, 3855693), (84, 2570462), (168, 1285231)]