13871585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{709}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 20993280

約数和(自身を除く): 7121695

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 709, 1505, 2795, 3545, 3913, 4963, 9217, 19565, 24815, 30487, 46085, 64519, 152435, 213409, 322595, 396331, 1067045, 1981655, 2774317, 13871585]

約数ペア:

[(1, 13871585), (5, 2774317), (7, 1981655), (13, 1067045), (35, 396331), (43, 322595), (65, 213409), (91, 152435), (215, 64519), (301, 46085), (455, 30487), (559, 24815), (709, 19565), (1505, 9217), (2795, 4963), (3545, 3913)]