18025525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 27748224

約数和(自身を除く): 9722699

約数列:

[1, 5, 7, 17, 25, 35, 73, 83, 85, 119, 175, 365, 415, 425, 511, 581, 595, 1241, 1411, 1825, 2075, 2555, 2905, 2975, 6059, 6205, 7055, 8687, 9877, 12775, 14525, 30295, 31025, 35275, 42413, 43435, 49385, 103003, 151475, 212065, 217175, 246925, 515015, 721021, 1060325, 2575075, 3605105, 18025525]

約数ペア:

[(1, 18025525), (5, 3605105), (7, 2575075), (17, 1060325), (25, 721021), (35, 515015), (73, 246925), (83, 217175), (85, 212065), (119, 151475), (175, 103003), (365, 49385), (415, 43435), (425, 42413), (511, 35275), (581, 31025), (595, 30295), (1241, 14525), (1411, 12775), (1825, 9877), (2075, 8687), (2555, 7055), (2905, 6205), (2975, 6059)]