28742735

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 12729265

約数列:

[1, 5, 7, 31, 35, 59, 155, 217, 295, 413, 449, 1085, 1829, 2065, 2245, 3143, 9145, 12803, 13919, 15715, 26491, 64015, 69595, 97433, 132455, 185437, 487165, 821221, 927185, 4106105, 5748547, 28742735]

約数ペア:

[(1, 28742735), (5, 5748547), (7, 4106105), (31, 927185), (35, 821221), (59, 487165), (155, 185437), (217, 132455), (295, 97433), (413, 69595), (449, 64015), (1085, 26491), (1829, 15715), (2065, 13919), (2245, 12803), (3143, 9145)]