289341364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{5581}}^1$

素因数の和:6595

約数の個数: 24

約数和(自身を含む): 545941928

約数和(自身を除く): 256600564

約数列:

[1, 2, 4, 13, 26, 52, 997, 1994, 3988, 5581, 11162, 12961, 22324, 25922, 51844, 72553, 145106, 290212, 5564257, 11128514, 22257028, 72335341, 144670682, 289341364]

約数ペア:

[(1, 289341364), (2, 144670682), (4, 72335341), (13, 22257028), (26, 11128514), (52, 5564257), (997, 290212), (1994, 145106), (3988, 72553), (5581, 51844), (11162, 25922), (12961, 22324)]