28371156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 74694816

約数和(自身を除く): 46323660

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 157, 222, 314, 407, 444, 471, 628, 814, 942, 1221, 1369, 1628, 1727, 1884, 2442, 2738, 3454, 4107, 4884, 5181, 5476, 5809, 6908, 8214, 10362, 11618, 15059, 16428, 17427, 20724, 23236, 30118, 34854, 45177, 60236, 63899, 69708, 90354, 127798, 180708, 191697, 214933, 255596, 383394, 429866, 644799, 766788, 859732, 1289598, 2364263, 2579196, 4728526, 7092789, 9457052, 14185578, 28371156]

約数ペア:

[(1, 28371156), (2, 14185578), (3, 9457052), (4, 7092789), (6, 4728526), (11, 2579196), (12, 2364263), (22, 1289598), (33, 859732), (37, 766788), (44, 644799), (66, 429866), (74, 383394), (111, 255596), (132, 214933), (148, 191697), (157, 180708), (222, 127798), (314, 90354), (407, 69708), (444, 63899), (471, 60236), (628, 45177), (814, 34854), (942, 30118), (1221, 23236), (1369, 20724), (1628, 17427), (1727, 16428), (1884, 15059), (2442, 11618), (2738, 10362), (3454, 8214), (4107, 6908), (4884, 5809), (5181, 5476)]