641036656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3081907}}^1$

素因数の和:3081928

約数の個数: 20

約数和(自身を含む): 1337548072

約数和(自身を除く): 696511416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3081907, 6163814, 12327628, 24655256, 40064791, 49310512, 80129582, 160259164, 320518328, 641036656]

約数ペア:

[(1, 641036656), (2, 320518328), (4, 160259164), (8, 80129582), (13, 49310512), (16, 40064791), (26, 24655256), (52, 12327628), (104, 6163814), (208, 3081907)]