164579975

素因数分解:

$5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1129}}^1$

素因数の和:1177

約数の個数: 48

約数和(自身を含む): 252216000

約数和(自身を除く): 87636025

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 343, 425, 595, 833, 1129, 1225, 1715, 2975, 4165, 5645, 5831, 7903, 8575, 19193, 20825, 28225, 29155, 39515, 55321, 95965, 134351, 145775, 197575, 276605, 387247, 479825, 671755, 940457, 1383025, 1936235, 3358775, 4702285, 6583199, 9681175, 23511425, 32915995, 164579975]

約数ペア:

[(1, 164579975), (5, 32915995), (7, 23511425), (17, 9681175), (25, 6583199), (35, 4702285), (49, 3358775), (85, 1936235), (119, 1383025), (175, 940457), (245, 671755), (343, 479825), (425, 387247), (595, 276605), (833, 197575), (1129, 145775), (1225, 134351), (1715, 95965), (2975, 55321), (4165, 39515), (5645, 29155), (5831, 28225), (7903, 20825), (8575, 19193)]