28906668

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{2341}}^1$

素因数の和:2372

約数の個数: 72

約数和(自身を含む): 85248800

約数和(自身を除く): 56342132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2341, 3087, 4116, 4682, 6174, 7023, 9364, 12348, 14046, 16387, 21069, 28092, 32774, 42138, 49161, 65548, 84276, 98322, 114709, 147483, 196644, 229418, 294966, 344127, 458836, 589932, 688254, 802963, 1032381, 1376508, 1605926, 2064762, 2408889, 3211852, 4129524, 4817778, 7226667, 9635556, 14453334, 28906668]

約数ペア:

[(1, 28906668), (2, 14453334), (3, 9635556), (4, 7226667), (6, 4817778), (7, 4129524), (9, 3211852), (12, 2408889), (14, 2064762), (18, 1605926), (21, 1376508), (28, 1032381), (36, 802963), (42, 688254), (49, 589932), (63, 458836), (84, 344127), (98, 294966), (126, 229418), (147, 196644), (196, 147483), (252, 114709), (294, 98322), (343, 84276), (441, 65548), (588, 49161), (686, 42138), (882, 32774), (1029, 28092), (1372, 21069), (1764, 16387), (2058, 14046), (2341, 12348), (3087, 9364), (4116, 7023), (4682, 6174)]