678468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 1862784

約数和(自身を除く): 1184316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 197, 246, 287, 394, 492, 574, 591, 788, 861, 1148, 1182, 1379, 1722, 2364, 2758, 3444, 4137, 5516, 8077, 8274, 16154, 16548, 24231, 32308, 48462, 56539, 96924, 113078, 169617, 226156, 339234, 678468]

約数ペア:

[(1, 678468), (2, 339234), (3, 226156), (4, 169617), (6, 113078), (7, 96924), (12, 56539), (14, 48462), (21, 32308), (28, 24231), (41, 16548), (42, 16154), (82, 8274), (84, 8077), (123, 5516), (164, 4137), (197, 3444), (246, 2758), (287, 2364), (394, 1722), (492, 1379), (574, 1182), (591, 1148), (788, 861)]