71352575

素因数分解:

$5^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 105796800

約数和(自身を除く): 34444225

約数列:

[1, 5, 7, 25, 35, 49, 53, 157, 175, 245, 265, 343, 371, 785, 1099, 1225, 1325, 1715, 1855, 2597, 3925, 5495, 7693, 8321, 8575, 9275, 12985, 18179, 27475, 38465, 41605, 53851, 58247, 64925, 90895, 192325, 208025, 269255, 291235, 407729, 454475, 1346275, 1456175, 2038645, 2854103, 10193225, 14270515, 71352575]

約数ペア:

[(1, 71352575), (5, 14270515), (7, 10193225), (25, 2854103), (35, 2038645), (49, 1456175), (53, 1346275), (157, 454475), (175, 407729), (245, 291235), (265, 269255), (343, 208025), (371, 192325), (785, 90895), (1099, 64925), (1225, 58247), (1325, 53851), (1715, 41605), (1855, 38465), (2597, 27475), (3925, 18179), (5495, 12985), (7693, 9275), (8321, 8575)]