28715778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 78414336

約数和(自身を除く): 49698558

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 47, 63, 78, 91, 94, 117, 126, 141, 182, 234, 273, 282, 329, 373, 423, 546, 611, 658, 746, 819, 846, 987, 1119, 1222, 1638, 1833, 1974, 2238, 2611, 2961, 3357, 3666, 4277, 4849, 5222, 5499, 5922, 6714, 7833, 8554, 9698, 10998, 12831, 14547, 15666, 17531, 23499, 25662, 29094, 33943, 35062, 38493, 43641, 46998, 52593, 67886, 76986, 87282, 101829, 105186, 122717, 157779, 203658, 227903, 245434, 305487, 315558, 368151, 455806, 610974, 683709, 736302, 1104453, 1367418, 1595321, 2051127, 2208906, 3190642, 4102254, 4785963, 9571926, 14357889, 28715778]

約数ペア:

[(1, 28715778), (2, 14357889), (3, 9571926), (6, 4785963), (7, 4102254), (9, 3190642), (13, 2208906), (14, 2051127), (18, 1595321), (21, 1367418), (26, 1104453), (39, 736302), (42, 683709), (47, 610974), (63, 455806), (78, 368151), (91, 315558), (94, 305487), (117, 245434), (126, 227903), (141, 203658), (182, 157779), (234, 122717), (273, 105186), (282, 101829), (329, 87282), (373, 76986), (423, 67886), (546, 52593), (611, 46998), (658, 43641), (746, 38493), (819, 35062), (846, 33943), (987, 29094), (1119, 25662), (1222, 23499), (1638, 17531), (1833, 15666), (1974, 14547), (2238, 12831), (2611, 10998), (2961, 9698), (3357, 8554), (3666, 7833), (4277, 6714), (4849, 5922), (5222, 5499)]