7821252

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 20462400

約数和(自身を除く): 12641148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 521, 556, 834, 1042, 1251, 1563, 1668, 2084, 2502, 3126, 3753, 4689, 5004, 6252, 7506, 9378, 14067, 15012, 18756, 28134, 56268, 72419, 144838, 217257, 289676, 434514, 651771, 869028, 1303542, 1955313, 2607084, 3910626, 7821252]

約数ペア:

[(1, 7821252), (2, 3910626), (3, 2607084), (4, 1955313), (6, 1303542), (9, 869028), (12, 651771), (18, 434514), (27, 289676), (36, 217257), (54, 144838), (108, 72419), (139, 56268), (278, 28134), (417, 18756), (521, 15012), (556, 14067), (834, 9378), (1042, 7506), (1251, 6252), (1563, 5004), (1668, 4689), (2084, 3753), (2502, 3126)]