291257316

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{385261}}^1$

素因数の和:385281

約数の個数: 48

約数和(自身を含む): 862986880

約数和(自身を除く): 571729564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 385261, 770522, 1155783, 1541044, 2311566, 2696827, 3467349, 4623132, 5393654, 6934698, 8090481, 10402047, 10787308, 13869396, 16180962, 20804094, 24271443, 32361924, 41608188, 48542886, 72814329, 97085772, 145628658, 291257316]

約数ペア:

[(1, 291257316), (2, 145628658), (3, 97085772), (4, 72814329), (6, 48542886), (7, 41608188), (9, 32361924), (12, 24271443), (14, 20804094), (18, 16180962), (21, 13869396), (27, 10787308), (28, 10402047), (36, 8090481), (42, 6934698), (54, 5393654), (63, 4623132), (84, 3467349), (108, 2696827), (126, 2311566), (189, 1541044), (252, 1155783), (378, 770522), (756, 385261)]