2519556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 6547968

約数和(自身を除く): 4028412

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 521, 806, 1042, 1209, 1563, 1612, 2084, 2418, 3126, 4836, 6252, 6773, 13546, 16151, 20319, 27092, 32302, 40638, 48453, 64604, 81276, 96906, 193812, 209963, 419926, 629889, 839852, 1259778, 2519556]

約数ペア:

[(1, 2519556), (2, 1259778), (3, 839852), (4, 629889), (6, 419926), (12, 209963), (13, 193812), (26, 96906), (31, 81276), (39, 64604), (52, 48453), (62, 40638), (78, 32302), (93, 27092), (124, 20319), (156, 16151), (186, 13546), (372, 6773), (403, 6252), (521, 4836), (806, 3126), (1042, 2418), (1209, 2084), (1563, 1612)]