1287917278

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{487}}^1$

素因数の和:1012

約数の個数: 32

約数和(自身を含む): 2009603520

約数和(自身を除く): 721686242

約数列:

[1, 2, 53, 61, 106, 122, 409, 487, 818, 974, 3233, 6466, 21677, 24949, 25811, 29707, 43354, 49898, 51622, 59414, 199183, 398366, 1322297, 1574471, 2644594, 3148942, 10556699, 12150163, 21113398, 24300326, 643958639, 1287917278]

約数ペア:

[(1, 1287917278), (2, 643958639), (53, 24300326), (61, 21113398), (106, 12150163), (122, 10556699), (409, 3148942), (487, 2644594), (818, 1574471), (974, 1322297), (3233, 398366), (6466, 199183), (21677, 59414), (24949, 51622), (25811, 49898), (29707, 43354)]