28123914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2755

約数の個数: 64

約数和(自身を含む): 72898560

約数和(自身を除く): 44774646

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2711, 3458, 5187, 5422, 8133, 10374, 16266, 18977, 35243, 37954, 51509, 56931, 70486, 103018, 105729, 113862, 154527, 211458, 246701, 309054, 360563, 493402, 669617, 721126, 740103, 1081689, 1339234, 1480206, 2008851, 2163378, 4017702, 4687319, 9374638, 14061957, 28123914]

約数ペア:

[(1, 28123914), (2, 14061957), (3, 9374638), (6, 4687319), (7, 4017702), (13, 2163378), (14, 2008851), (19, 1480206), (21, 1339234), (26, 1081689), (38, 740103), (39, 721126), (42, 669617), (57, 493402), (78, 360563), (91, 309054), (114, 246701), (133, 211458), (182, 154527), (247, 113862), (266, 105729), (273, 103018), (399, 70486), (494, 56931), (546, 51509), (741, 37954), (798, 35243), (1482, 18977), (1729, 16266), (2711, 10374), (3458, 8133), (5187, 5422)]