855017872

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{221737}}^1$

素因数の和:221986

約数の個数: 20

約数和(自身を含む): 1663478476

約数和(自身を除く): 808460604

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 221737, 443474, 886948, 1773896, 3547792, 53438617, 106877234, 213754468, 427508936, 855017872]

約数ペア:

[(1, 855017872), (2, 427508936), (4, 213754468), (8, 106877234), (16, 53438617), (241, 3547792), (482, 1773896), (964, 886948), (1928, 443474), (3856, 221737)]