1233991664

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{120319}}^1$

素因数の和:120968

約数の個数: 20

約数和(自身を含む): 2394608640

約数和(自身を除く): 1160616976

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 120319, 240638, 481276, 962552, 1925104, 77124479, 154248958, 308497916, 616995832, 1233991664]

約数ペア:

[(1, 1233991664), (2, 616995832), (4, 308497916), (8, 154248958), (16, 77124479), (641, 1925104), (1282, 962552), (2564, 481276), (5128, 240638), (10256, 120319)]