1289782976

素因数分解:

$2^6\times {\mathrm{1151}}^1\times {\mathrm{17509}}^1$

素因数の和:18672

約数の個数: 28

約数和(自身を含む): 2561783040

約数和(自身を除く): 1272000064

約数列:

[1, 2, 4, 8, 16, 32, 64, 1151, 2302, 4604, 9208, 17509, 18416, 35018, 36832, 70036, 73664, 140072, 280144, 560288, 1120576, 20152859, 40305718, 80611436, 161222872, 322445744, 644891488, 1289782976]

約数ペア:

[(1, 1289782976), (2, 644891488), (4, 322445744), (8, 161222872), (16, 80611436), (32, 40305718), (64, 20152859), (1151, 1120576), (2302, 560288), (4604, 280144), (9208, 140072), (17509, 73664), (18416, 70036), (35018, 36832)]