12681396

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 40768000

約数和(自身を除く): 28086604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 79, 84, 91, 98, 117, 126, 147, 156, 158, 182, 196, 234, 237, 252, 273, 294, 316, 343, 364, 441, 468, 474, 546, 553, 588, 637, 686, 711, 819, 882, 948, 1027, 1029, 1092, 1106, 1274, 1372, 1422, 1638, 1659, 1764, 1911, 2054, 2058, 2212, 2548, 2844, 3081, 3087, 3276, 3318, 3822, 3871, 4108, 4116, 4459, 4977, 5733, 6162, 6174, 6636, 7189, 7644, 7742, 8918, 9243, 9954, 11466, 11613, 12324, 12348, 13377, 14378, 15484, 17836, 18486, 19908, 21567, 22932, 23226, 26754, 27097, 28756, 34839, 36972, 40131, 43134, 46452, 50323, 53508, 54194, 64701, 69678, 80262, 81291, 86268, 100646, 108388, 129402, 139356, 150969, 160524, 162582, 201292, 243873, 258804, 301938, 325164, 352261, 452907, 487746, 603876, 704522, 905814, 975492, 1056783, 1409044, 1811628, 2113566, 3170349, 4227132, 6340698, 12681396]

約数ペア:

[(1, 12681396), (2, 6340698), (3, 4227132), (4, 3170349), (6, 2113566), (7, 1811628), (9, 1409044), (12, 1056783), (13, 975492), (14, 905814), (18, 704522), (21, 603876), (26, 487746), (28, 452907), (36, 352261), (39, 325164), (42, 301938), (49, 258804), (52, 243873), (63, 201292), (78, 162582), (79, 160524), (84, 150969), (91, 139356), (98, 129402), (117, 108388), (126, 100646), (147, 86268), (156, 81291), (158, 80262), (182, 69678), (196, 64701), (234, 54194), (237, 53508), (252, 50323), (273, 46452), (294, 43134), (316, 40131), (343, 36972), (364, 34839), (441, 28756), (468, 27097), (474, 26754), (546, 23226), (553, 22932), (588, 21567), (637, 19908), (686, 18486), (711, 17836), (819, 15484), (882, 14378), (948, 13377), (1027, 12348), (1029, 12324), (1092, 11613), (1106, 11466), (1274, 9954), (1372, 9243), (1422, 8918), (1638, 7742), (1659, 7644), (1764, 7189), (1911, 6636), (2054, 6174), (2058, 6162), (2212, 5733), (2548, 4977), (2844, 4459), (3081, 4116), (3087, 4108), (3276, 3871), (3318, 3822)]