161489545

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 248832000

約数和(自身を除く): 87342455

約数列:

[1, 5, 7, 17, 29, 35, 49, 85, 119, 145, 191, 203, 245, 343, 493, 595, 833, 955, 1015, 1337, 1421, 1715, 2465, 3247, 3451, 4165, 5539, 5831, 6685, 7105, 9359, 9947, 16235, 17255, 22729, 24157, 27695, 29155, 38773, 46795, 49735, 65513, 94163, 113645, 120785, 159103, 169099, 193865, 271411, 327565, 470815, 659141, 795515, 845495, 1113721, 1357055, 1899877, 3295705, 4613987, 5568605, 9499385, 23069935, 32297909, 161489545]

約数ペア:

[(1, 161489545), (5, 32297909), (7, 23069935), (17, 9499385), (29, 5568605), (35, 4613987), (49, 3295705), (85, 1899877), (119, 1357055), (145, 1113721), (191, 845495), (203, 795515), (245, 659141), (343, 470815), (493, 327565), (595, 271411), (833, 193865), (955, 169099), (1015, 159103), (1337, 120785), (1421, 113645), (1715, 94163), (2465, 65513), (3247, 49735), (3451, 46795), (4165, 38773), (5539, 29155), (5831, 27695), (6685, 24157), (7105, 22729), (9359, 17255), (9947, 16235)]