642272128

素因数分解:

$2^7\times {\mathrm{521}}^1\times {\mathrm{9631}}^1$

素因数の和:10166

約数の個数: 32

約数和(自身を含む): 1282115520

約数和(自身を除く): 639843392

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 521, 1042, 2084, 4168, 8336, 9631, 16672, 19262, 33344, 38524, 66688, 77048, 154096, 308192, 616384, 1232768, 5017751, 10035502, 20071004, 40142008, 80284016, 160568032, 321136064, 642272128]

約数ペア:

[(1, 642272128), (2, 321136064), (4, 160568032), (8, 80284016), (16, 40142008), (32, 20071004), (64, 10035502), (128, 5017751), (521, 1232768), (1042, 616384), (2084, 308192), (4168, 154096), (8336, 77048), (9631, 66688), (16672, 38524), (19262, 33344)]