128640570436

素因数分解:

$2^2\times 7^2\times {\mathrm{887}}^1\times {\mathrm{739943}}^1$

素因数の和:740848

約数の個数: 36

約数和(自身を含む): 262171038528

約数和(自身を除く): 133530468092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 887, 1774, 3548, 6209, 12418, 24836, 43463, 86926, 173852, 739943, 1479886, 2959772, 5179601, 10359202, 20718404, 36257207, 72514414, 145028828, 656329441, 1312658882, 2625317764, 4594306087, 9188612174, 18377224348, 32160142609, 64320285218, 128640570436]

約数ペア:

[(1, 128640570436), (2, 64320285218), (4, 32160142609), (7, 18377224348), (14, 9188612174), (28, 4594306087), (49, 2625317764), (98, 1312658882), (196, 656329441), (887, 145028828), (1774, 72514414), (3548, 36257207), (6209, 20718404), (12418, 10359202), (24836, 5179601), (43463, 2959772), (86926, 1479886), (173852, 739943)]