639871712

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{127363}}^1$

素因数の和:127530

約数の個数: 24

約数和(自身を含む): 1267781256

約数和(自身を除く): 627909544

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 5024, 127363, 254726, 509452, 1018904, 2037808, 4075616, 19995991, 39991982, 79983964, 159967928, 319935856, 639871712]

約数ペア:

[(1, 639871712), (2, 319935856), (4, 159967928), (8, 79983964), (16, 39991982), (32, 19995991), (157, 4075616), (314, 2037808), (628, 1018904), (1256, 509452), (2512, 254726), (5024, 127363)]