28293356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4134

約数の個数: 48

約数和(自身を含む): 64162560

約数和(自身を除く): 35869204

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 4091, 6916, 8182, 16364, 28637, 53183, 57274, 77729, 106366, 114548, 155458, 212732, 310916, 372281, 544103, 744562, 1010477, 1088206, 1489124, 2020954, 2176412, 4041908, 7073339, 14146678, 28293356]

約数ペア:

[(1, 28293356), (2, 14146678), (4, 7073339), (7, 4041908), (13, 2176412), (14, 2020954), (19, 1489124), (26, 1088206), (28, 1010477), (38, 744562), (52, 544103), (76, 372281), (91, 310916), (133, 212732), (182, 155458), (247, 114548), (266, 106366), (364, 77729), (494, 57274), (532, 53183), (988, 28637), (1729, 16364), (3458, 8182), (4091, 6916)]