28201446

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1913}}^1$

素因数の和:1947

約数の個数: 80

約数和(自身を含む): 77815584

約数和(自身を除く): 49614138

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1638, 1913, 2106, 2457, 3826, 4914, 5739, 7371, 11478, 13391, 14742, 17217, 24869, 26782, 34434, 40173, 49738, 51651, 74607, 80346, 103302, 120519, 149214, 154953, 174083, 223821, 241038, 309906, 348166, 361557, 447642, 522249, 671463, 723114, 1044498, 1084671, 1342926, 1566747, 2014389, 2169342, 3133494, 4028778, 4700241, 9400482, 14100723, 28201446]

約数ペア:

[(1, 28201446), (2, 14100723), (3, 9400482), (6, 4700241), (7, 4028778), (9, 3133494), (13, 2169342), (14, 2014389), (18, 1566747), (21, 1342926), (26, 1084671), (27, 1044498), (39, 723114), (42, 671463), (54, 522249), (63, 447642), (78, 361557), (81, 348166), (91, 309906), (117, 241038), (126, 223821), (162, 174083), (182, 154953), (189, 149214), (234, 120519), (273, 103302), (351, 80346), (378, 74607), (546, 51651), (567, 49738), (702, 40173), (819, 34434), (1053, 26782), (1134, 24869), (1638, 17217), (1913, 14742), (2106, 13391), (2457, 11478), (3826, 7371), (4914, 5739)]