7200215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 10063872

約数和(自身を除く): 2863657

約数列:

[1, 5, 11, 31, 41, 55, 103, 155, 205, 341, 451, 515, 1133, 1271, 1705, 2255, 3193, 4223, 5665, 6355, 13981, 15965, 21115, 35123, 46453, 69905, 130913, 175615, 232265, 654565, 1440043, 7200215]

約数ペア:

[(1, 7200215), (5, 1440043), (11, 654565), (31, 232265), (41, 175615), (55, 130913), (103, 69905), (155, 46453), (205, 35123), (341, 21115), (451, 15965), (515, 13981), (1133, 6355), (1271, 5665), (1705, 4223), (2255, 3193)]