31880134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 29083706

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 79, 83, 143, 158, 166, 187, 221, 286, 374, 442, 869, 913, 1027, 1079, 1343, 1411, 1738, 1826, 2054, 2158, 2431, 2686, 2822, 4862, 6557, 11297, 11869, 13114, 14773, 15521, 17459, 18343, 22594, 23738, 29546, 31042, 34918, 36686, 72127, 85241, 111469, 144254, 170482, 192049, 201773, 222938, 384098, 403546, 937651, 1226159, 1449097, 1875302, 2452318, 2898194, 15940067, 31880134]

約数ペア:

[(1, 31880134), (2, 15940067), (11, 2898194), (13, 2452318), (17, 1875302), (22, 1449097), (26, 1226159), (34, 937651), (79, 403546), (83, 384098), (143, 222938), (158, 201773), (166, 192049), (187, 170482), (221, 144254), (286, 111469), (374, 85241), (442, 72127), (869, 36686), (913, 34918), (1027, 31042), (1079, 29546), (1343, 23738), (1411, 22594), (1738, 18343), (1826, 17459), (2054, 15521), (2158, 14773), (2431, 13114), (2686, 11869), (2822, 11297), (4862, 6557)]