128535925

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^2\times {\mathrm{211}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 186171616

約数和(自身を除く): 57635691

約数列:

[1, 5, 7, 25, 35, 59, 175, 211, 295, 413, 1055, 1475, 1477, 2065, 3481, 5275, 7385, 10325, 12449, 17405, 24367, 36925, 62245, 87025, 87143, 121835, 311225, 435715, 609175, 734491, 2178575, 3672455, 5141437, 18362275, 25707185, 128535925]

約数ペア:

[(1, 128535925), (5, 25707185), (7, 18362275), (25, 5141437), (35, 3672455), (59, 2178575), (175, 734491), (211, 609175), (295, 435715), (413, 311225), (1055, 121835), (1475, 87143), (1477, 87025), (2065, 62245), (3481, 36925), (5275, 24367), (7385, 17405), (10325, 12449)]