201321872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15401}}^1$

素因数の和:15471

約数の個数: 40

約数和(自身を含む): 420166560

約数和(自身を除く): 218844688

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15401, 30802, 61604, 123208, 246416, 292619, 585238, 662243, 1170476, 1324486, 2340952, 2648972, 4681904, 5297944, 10595888, 12582617, 25165234, 50330468, 100660936, 201321872]

約数ペア:

[(1, 201321872), (2, 100660936), (4, 50330468), (8, 25165234), (16, 12582617), (19, 10595888), (38, 5297944), (43, 4681904), (76, 2648972), (86, 2340952), (152, 1324486), (172, 1170476), (304, 662243), (344, 585238), (688, 292619), (817, 246416), (1634, 123208), (3268, 61604), (6536, 30802), (13072, 15401)]