78698525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 110242944

約数和(自身を除く): 31544419

約数列:

[1, 5, 17, 23, 25, 83, 85, 97, 115, 391, 415, 425, 485, 575, 1411, 1649, 1909, 1955, 2075, 2231, 2425, 7055, 8051, 8245, 9545, 9775, 11155, 32453, 35275, 37927, 40255, 41225, 47725, 55775, 136867, 162265, 185173, 189635, 201275, 684335, 811325, 925865, 948175, 3147941, 3421675, 4629325, 15739705, 78698525]

約数ペア:

[(1, 78698525), (5, 15739705), (17, 4629325), (23, 3421675), (25, 3147941), (83, 948175), (85, 925865), (97, 811325), (115, 684335), (391, 201275), (415, 189635), (425, 185173), (485, 162265), (575, 136867), (1411, 55775), (1649, 47725), (1909, 41225), (1955, 40255), (2075, 37927), (2231, 35275), (2425, 32453), (7055, 11155), (8051, 9775), (8245, 9545)]