81890874

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 204160320

約数和(自身を除く): 122269446

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 113, 114, 117, 163, 171, 226, 234, 247, 326, 339, 342, 489, 494, 678, 741, 978, 1017, 1467, 1469, 1482, 2034, 2119, 2147, 2223, 2934, 2938, 3097, 4238, 4294, 4407, 4446, 6194, 6357, 6441, 8814, 9291, 12714, 12882, 13221, 18419, 18582, 19071, 19323, 26442, 27873, 27911, 36838, 38142, 38646, 40261, 55257, 55746, 55822, 80522, 83733, 110514, 120783, 165771, 167466, 239447, 241566, 251199, 331542, 349961, 362349, 478894, 502398, 699922, 718341, 724698, 1049883, 1436682, 2099766, 2155023, 3149649, 4310046, 4549493, 6299298, 9098986, 13648479, 27296958, 40945437, 81890874]

約数ペア:

[(1, 81890874), (2, 40945437), (3, 27296958), (6, 13648479), (9, 9098986), (13, 6299298), (18, 4549493), (19, 4310046), (26, 3149649), (38, 2155023), (39, 2099766), (57, 1436682), (78, 1049883), (113, 724698), (114, 718341), (117, 699922), (163, 502398), (171, 478894), (226, 362349), (234, 349961), (247, 331542), (326, 251199), (339, 241566), (342, 239447), (489, 167466), (494, 165771), (678, 120783), (741, 110514), (978, 83733), (1017, 80522), (1467, 55822), (1469, 55746), (1482, 55257), (2034, 40261), (2119, 38646), (2147, 38142), (2223, 36838), (2934, 27911), (2938, 27873), (3097, 26442), (4238, 19323), (4294, 19071), (4407, 18582), (4446, 18419), (6194, 13221), (6357, 12882), (6441, 12714), (8814, 9291)]