13891255

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 20376360

約数和(自身を除く): 6485105

約数列:

[1, 5, 7, 31, 35, 49, 59, 155, 217, 245, 295, 413, 961, 1085, 1519, 1829, 2065, 2891, 4805, 6727, 7595, 9145, 12803, 14455, 33635, 47089, 56699, 64015, 89621, 235445, 283495, 396893, 448105, 1984465, 2778251, 13891255]

約数ペア:

[(1, 13891255), (5, 2778251), (7, 1984465), (31, 448105), (35, 396893), (49, 283495), (59, 235445), (155, 89621), (217, 64015), (245, 56699), (295, 47089), (413, 33635), (961, 14455), (1085, 12803), (1519, 9145), (1829, 7595), (2065, 6727), (2891, 4805)]