87861725

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 131991552

約数和(自身を除く): 44129827

約数列:

[1, 5, 7, 23, 25, 35, 83, 115, 161, 175, 263, 415, 575, 581, 805, 1315, 1841, 1909, 2075, 2905, 4025, 6049, 6575, 9205, 9545, 13363, 14525, 21829, 30245, 42343, 46025, 47725, 66815, 109145, 151225, 152803, 211715, 334075, 502067, 545725, 764015, 1058575, 2510335, 3514469, 3820075, 12551675, 17572345, 87861725]

約数ペア:

[(1, 87861725), (5, 17572345), (7, 12551675), (23, 3820075), (25, 3514469), (35, 2510335), (83, 1058575), (115, 764015), (161, 545725), (175, 502067), (263, 334075), (415, 211715), (575, 152803), (581, 151225), (805, 109145), (1315, 66815), (1841, 47725), (1909, 46025), (2075, 42343), (2905, 30245), (4025, 21829), (6049, 14525), (6575, 13363), (9205, 9545)]