71518428

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{5107}}^1$

素因数の和:5506

約数の個数: 36

約数和(自身を含む): 181282920

約数和(自身を除く): 109764492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1556, 2334, 3501, 4668, 5107, 7002, 10214, 14004, 15321, 20428, 30642, 45963, 61284, 91926, 183852, 1986623, 3973246, 5959869, 7946492, 11919738, 17879607, 23839476, 35759214, 71518428]

約数ペア:

[(1, 71518428), (2, 35759214), (3, 23839476), (4, 17879607), (6, 11919738), (9, 7946492), (12, 5959869), (18, 3973246), (36, 1986623), (389, 183852), (778, 91926), (1167, 61284), (1556, 45963), (2334, 30642), (3501, 20428), (4668, 15321), (5107, 14004), (7002, 10214)]