28183428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 108

約数和(自身を含む): 89320140

約数和(自身を除く): 61136712

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1229, 1274, 1638, 1764, 1911, 2458, 2548, 3276, 3687, 3822, 4916, 5733, 7374, 7644, 8603, 11061, 11466, 14748, 15977, 17206, 22122, 22932, 25809, 31954, 34412, 44244, 47931, 51618, 60221, 63908, 77427, 95862, 103236, 111839, 120442, 143793, 154854, 180663, 191724, 223678, 240884, 287586, 309708, 335517, 361326, 447356, 541989, 575172, 671034, 722652, 782873, 1006551, 1083978, 1342068, 1565746, 2013102, 2167956, 2348619, 3131492, 4026204, 4697238, 7045857, 9394476, 14091714, 28183428]

約数ペア:

[(1, 28183428), (2, 14091714), (3, 9394476), (4, 7045857), (6, 4697238), (7, 4026204), (9, 3131492), (12, 2348619), (13, 2167956), (14, 2013102), (18, 1565746), (21, 1342068), (26, 1083978), (28, 1006551), (36, 782873), (39, 722652), (42, 671034), (49, 575172), (52, 541989), (63, 447356), (78, 361326), (84, 335517), (91, 309708), (98, 287586), (117, 240884), (126, 223678), (147, 191724), (156, 180663), (182, 154854), (196, 143793), (234, 120442), (252, 111839), (273, 103236), (294, 95862), (364, 77427), (441, 63908), (468, 60221), (546, 51618), (588, 47931), (637, 44244), (819, 34412), (882, 31954), (1092, 25809), (1229, 22932), (1274, 22122), (1638, 17206), (1764, 15977), (1911, 14748), (2458, 11466), (2548, 11061), (3276, 8603), (3687, 7644), (3822, 7374), (4916, 5733)]