28873854

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 69050880

約数和(自身を除く): 40177026

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 426, 443, 459, 639, 886, 918, 1207, 1278, 1329, 1917, 2414, 2658, 3621, 3834, 3987, 7242, 7531, 7974, 10863, 11961, 15062, 21726, 22593, 23922, 31453, 32589, 45186, 62906, 65178, 67779, 94359, 135558, 188718, 203337, 283077, 406674, 534701, 566154, 849231, 1069402, 1604103, 1698462, 3208206, 4812309, 9624618, 14436927, 28873854]

約数ペア:

[(1, 28873854), (2, 14436927), (3, 9624618), (6, 4812309), (9, 3208206), (17, 1698462), (18, 1604103), (27, 1069402), (34, 849231), (51, 566154), (54, 534701), (71, 406674), (102, 283077), (142, 203337), (153, 188718), (213, 135558), (306, 94359), (426, 67779), (443, 65178), (459, 62906), (639, 45186), (886, 32589), (918, 31453), (1207, 23922), (1278, 22593), (1329, 21726), (1917, 15062), (2414, 11961), (2658, 10863), (3621, 7974), (3834, 7531), (3987, 7242)]