28039154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 25667086

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 73, 79, 143, 146, 158, 187, 221, 286, 374, 442, 803, 869, 949, 1027, 1241, 1343, 1606, 1738, 1898, 2054, 2431, 2482, 2686, 4862, 5767, 10439, 11297, 11534, 13651, 14773, 16133, 17459, 20878, 22594, 27302, 29546, 32266, 34918, 63437, 74971, 98039, 126874, 149942, 177463, 192049, 196078, 354926, 384098, 824681, 1078429, 1274507, 1649362, 2156858, 2549014, 14019577, 28039154]

約数ペア:

[(1, 28039154), (2, 14019577), (11, 2549014), (13, 2156858), (17, 1649362), (22, 1274507), (26, 1078429), (34, 824681), (73, 384098), (79, 354926), (143, 196078), (146, 192049), (158, 177463), (187, 149942), (221, 126874), (286, 98039), (374, 74971), (442, 63437), (803, 34918), (869, 32266), (949, 29546), (1027, 27302), (1241, 22594), (1343, 20878), (1606, 17459), (1738, 16133), (1898, 14773), (2054, 13651), (2431, 11534), (2482, 11297), (2686, 10439), (4862, 5767)]