1639403896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{366593}}^1$

素因数の和:366655

約数の個数: 32

約数和(自身を含む): 3387328560

約数和(自身を除く): 1747924664

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 366593, 733186, 1466372, 2932744, 4765709, 9531418, 15763499, 19062836, 31526998, 38125672, 63053996, 126107992, 204925487, 409850974, 819701948, 1639403896]

約数ペア:

[(1, 1639403896), (2, 819701948), (4, 409850974), (8, 204925487), (13, 126107992), (26, 63053996), (43, 38125672), (52, 31526998), (86, 19062836), (104, 15763499), (172, 9531418), (344, 4765709), (559, 2932744), (1118, 1466372), (2236, 733186), (4472, 366593)]