642000544

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{274829}}^1$

素因数の和:274912

約数の個数: 24

約数和(自身を含む): 1281257460

約数和(自身を除く): 639256916

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 274829, 549658, 1099316, 2198632, 4397264, 8794528, 20062517, 40125034, 80250068, 160500136, 321000272, 642000544]

約数ペア:

[(1, 642000544), (2, 321000272), (4, 160500136), (8, 80250068), (16, 40125034), (32, 20062517), (73, 8794528), (146, 4397264), (292, 2198632), (584, 1099316), (1168, 549658), (2336, 274829)]