28954744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 69027840

約数和(自身を除く): 40073096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1283, 1612, 1736, 2566, 2821, 3224, 5132, 5642, 8981, 10264, 11284, 16679, 17962, 22568, 33358, 35924, 39773, 66716, 71848, 79546, 116753, 133432, 159092, 233506, 278411, 318184, 467012, 517049, 556822, 934024, 1034098, 1113644, 2068196, 2227288, 3619343, 4136392, 7238686, 14477372, 28954744]

約数ペア:

[(1, 28954744), (2, 14477372), (4, 7238686), (7, 4136392), (8, 3619343), (13, 2227288), (14, 2068196), (26, 1113644), (28, 1034098), (31, 934024), (52, 556822), (56, 517049), (62, 467012), (91, 318184), (104, 278411), (124, 233506), (182, 159092), (217, 133432), (248, 116753), (364, 79546), (403, 71848), (434, 66716), (728, 39773), (806, 35924), (868, 33358), (1283, 22568), (1612, 17962), (1736, 16679), (2566, 11284), (2821, 10264), (3224, 8981), (5132, 5642)]