28745262

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 82162080

約数和(自身を除く): 53416818

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 23, 26, 39, 42, 46, 49, 63, 69, 78, 91, 98, 109, 117, 126, 138, 147, 161, 182, 207, 218, 234, 273, 294, 299, 322, 327, 414, 441, 483, 546, 598, 637, 654, 763, 819, 882, 897, 966, 981, 1127, 1274, 1417, 1449, 1526, 1638, 1794, 1911, 1962, 2093, 2254, 2289, 2507, 2691, 2834, 2898, 3381, 3822, 4186, 4251, 4578, 5014, 5341, 5382, 5733, 6279, 6762, 6867, 7521, 8502, 9919, 10143, 10682, 11466, 12558, 12753, 13734, 14651, 15042, 16023, 17549, 18837, 19838, 20286, 22563, 25506, 29302, 29757, 32046, 32591, 35098, 37674, 43953, 45126, 48069, 52647, 59514, 65182, 69433, 87906, 89271, 96138, 97773, 105294, 122843, 131859, 138866, 157941, 178542, 195546, 208299, 228137, 245686, 263718, 293319, 315882, 368529, 416598, 456274, 586638, 624897, 684411, 737058, 1105587, 1249794, 1368822, 1596959, 2053233, 2211174, 3193918, 4106466, 4790877, 9581754, 14372631, 28745262]

約数ペア:

[(1, 28745262), (2, 14372631), (3, 9581754), (6, 4790877), (7, 4106466), (9, 3193918), (13, 2211174), (14, 2053233), (18, 1596959), (21, 1368822), (23, 1249794), (26, 1105587), (39, 737058), (42, 684411), (46, 624897), (49, 586638), (63, 456274), (69, 416598), (78, 368529), (91, 315882), (98, 293319), (109, 263718), (117, 245686), (126, 228137), (138, 208299), (147, 195546), (161, 178542), (182, 157941), (207, 138866), (218, 131859), (234, 122843), (273, 105294), (294, 97773), (299, 96138), (322, 89271), (327, 87906), (414, 69433), (441, 65182), (483, 59514), (546, 52647), (598, 48069), (637, 45126), (654, 43953), (763, 37674), (819, 35098), (882, 32591), (897, 32046), (966, 29757), (981, 29302), (1127, 25506), (1274, 22563), (1417, 20286), (1449, 19838), (1526, 18837), (1638, 17549), (1794, 16023), (1911, 15042), (1962, 14651), (2093, 13734), (2254, 12753), (2289, 12558), (2507, 11466), (2691, 10682), (2834, 10143), (2898, 9919), (3381, 8502), (3822, 7521), (4186, 6867), (4251, 6762), (4578, 6279), (5014, 5733), (5341, 5382)]