1991502

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2621106

約数列:

[1, 2, 3, 6, 9, 18, 31, 43, 62, 83, 86, 93, 129, 166, 186, 249, 258, 279, 387, 498, 558, 747, 774, 1333, 1494, 2573, 2666, 3569, 3999, 5146, 7138, 7719, 7998, 10707, 11997, 15438, 21414, 23157, 23994, 32121, 46314, 64242, 110639, 221278, 331917, 663834, 995751, 1991502]

約数ペア:

[(1, 1991502), (2, 995751), (3, 663834), (6, 331917), (9, 221278), (18, 110639), (31, 64242), (43, 46314), (62, 32121), (83, 23994), (86, 23157), (93, 21414), (129, 15438), (166, 11997), (186, 10707), (249, 7998), (258, 7719), (279, 7138), (387, 5146), (498, 3999), (558, 3569), (747, 2666), (774, 2573), (1333, 1494)]