256419912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1399}}^1$

素因数の和:2506

約数の個数: 64

約数和(自身を含む): 733824000

約数和(自身を除く): 477404088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1091, 1399, 2182, 2798, 3273, 4197, 4364, 5596, 6546, 7637, 8394, 8728, 9793, 11192, 13092, 15274, 16788, 19586, 22911, 26184, 29379, 30548, 33576, 39172, 45822, 58758, 61096, 78344, 91644, 117516, 183288, 235032, 1526309, 3052618, 4578927, 6105236, 9157854, 10684163, 12210472, 18315708, 21368326, 32052489, 36631416, 42736652, 64104978, 85473304, 128209956, 256419912]

約数ペア:

[(1, 256419912), (2, 128209956), (3, 85473304), (4, 64104978), (6, 42736652), (7, 36631416), (8, 32052489), (12, 21368326), (14, 18315708), (21, 12210472), (24, 10684163), (28, 9157854), (42, 6105236), (56, 4578927), (84, 3052618), (168, 1526309), (1091, 235032), (1399, 183288), (2182, 117516), (2798, 91644), (3273, 78344), (4197, 61096), (4364, 58758), (5596, 45822), (6546, 39172), (7637, 33576), (8394, 30548), (8728, 29379), (9793, 26184), (11192, 22911), (13092, 19586), (15274, 16788)]