216711208

素因数分解:

$2^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{20051}}^1$

素因数の和:20257

約数の個数: 32

約数和(自身を含む): 466810560

約数和(自身を除く): 250099352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 193, 386, 772, 1351, 1544, 2702, 5404, 10808, 20051, 40102, 80204, 140357, 160408, 280714, 561428, 1122856, 3869843, 7739686, 15479372, 27088901, 30958744, 54177802, 108355604, 216711208]

約数ペア:

[(1, 216711208), (2, 108355604), (4, 54177802), (7, 30958744), (8, 27088901), (14, 15479372), (28, 7739686), (56, 3869843), (193, 1122856), (386, 561428), (772, 280714), (1351, 160408), (1544, 140357), (2702, 80204), (5404, 40102), (10808, 20051)]