490634128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{15173}}^1$

素因数の和:15271

約数の個数: 40

約数和(自身を含む): 993472128

約数和(自身を除く): 502838000

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 8084, 15173, 16168, 30346, 32336, 60692, 121384, 242768, 652439, 713131, 1304878, 1426262, 2609756, 2852524, 5219512, 5705048, 10439024, 11410096, 30664633, 61329266, 122658532, 245317064, 490634128]

約数ペア:

[(1, 490634128), (2, 245317064), (4, 122658532), (8, 61329266), (16, 30664633), (43, 11410096), (47, 10439024), (86, 5705048), (94, 5219512), (172, 2852524), (188, 2609756), (344, 1426262), (376, 1304878), (688, 713131), (752, 652439), (2021, 242768), (4042, 121384), (8084, 60692), (15173, 32336), (16168, 30346)]