26781790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 31279010

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 79, 145, 158, 167, 203, 290, 334, 395, 406, 553, 790, 835, 1015, 1106, 1169, 1670, 2030, 2291, 2338, 2765, 4582, 4843, 5530, 5845, 9686, 11455, 11690, 13193, 16037, 22910, 24215, 26386, 32074, 33901, 48430, 65965, 67802, 80185, 92351, 131930, 160370, 169505, 184702, 339010, 382597, 461755, 765194, 923510, 1912985, 2678179, 3825970, 5356358, 13390895, 26781790]

約数ペア:

[(1, 26781790), (2, 13390895), (5, 5356358), (7, 3825970), (10, 2678179), (14, 1912985), (29, 923510), (35, 765194), (58, 461755), (70, 382597), (79, 339010), (145, 184702), (158, 169505), (167, 160370), (203, 131930), (290, 92351), (334, 80185), (395, 67802), (406, 65965), (553, 48430), (790, 33901), (835, 32074), (1015, 26386), (1106, 24215), (1169, 22910), (1670, 16037), (2030, 13193), (2291, 11690), (2338, 11455), (2765, 9686), (4582, 5845), (4843, 5530)]