28917868

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 60196864

約数和(自身を除く): 31278996

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 103, 148, 206, 259, 271, 412, 518, 542, 721, 1036, 1084, 1442, 1897, 2884, 3794, 3811, 7588, 7622, 10027, 15244, 20054, 26677, 27913, 40108, 53354, 55826, 70189, 106708, 111652, 140378, 195391, 280756, 390782, 781564, 1032781, 2065562, 4131124, 7229467, 14458934, 28917868]

約数ペア:

[(1, 28917868), (2, 14458934), (4, 7229467), (7, 4131124), (14, 2065562), (28, 1032781), (37, 781564), (74, 390782), (103, 280756), (148, 195391), (206, 140378), (259, 111652), (271, 106708), (412, 70189), (518, 55826), (542, 53354), (721, 40108), (1036, 27913), (1084, 26677), (1442, 20054), (1897, 15244), (2884, 10027), (3794, 7622), (3811, 7588)]