8431254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 19891872

約数和(自身を除く): 11460618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 263, 274, 411, 526, 789, 822, 1233, 1578, 1781, 2367, 2466, 3419, 3562, 4734, 5343, 6838, 10257, 10686, 16029, 20514, 30771, 32058, 36031, 61542, 72062, 108093, 216186, 324279, 468403, 648558, 936806, 1405209, 2810418, 4215627, 8431254]

約数ペア:

[(1, 8431254), (2, 4215627), (3, 2810418), (6, 1405209), (9, 936806), (13, 648558), (18, 468403), (26, 324279), (39, 216186), (78, 108093), (117, 72062), (137, 61542), (234, 36031), (263, 32058), (274, 30771), (411, 20514), (526, 16029), (789, 10686), (822, 10257), (1233, 6838), (1578, 5343), (1781, 4734), (2367, 3562), (2466, 3419)]