128840446

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1171}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 229524480

約数和(自身を除く): 100684034

約数列:

[1, 2, 7, 14, 29, 58, 203, 271, 406, 542, 1171, 1897, 2342, 3794, 7859, 8197, 15718, 16394, 33959, 55013, 67918, 110026, 237713, 317341, 475426, 634682, 2221387, 4442774, 9202889, 18405778, 64420223, 128840446]

約数ペア:

[(1, 128840446), (2, 64420223), (7, 18405778), (14, 9202889), (29, 4442774), (58, 2221387), (203, 634682), (271, 475426), (406, 317341), (542, 237713), (1171, 110026), (1897, 67918), (2342, 55013), (3794, 33959), (7859, 16394), (8197, 15718)]