396656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1907}}^1$

素因数の和:1928

約数の個数: 20

約数和(自身を含む): 828072

約数和(自身を除く): 431416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1907, 3814, 7628, 15256, 24791, 30512, 49582, 99164, 198328, 396656]

約数ペア:

[(1, 396656), (2, 198328), (4, 99164), (8, 49582), (13, 30512), (16, 24791), (26, 15256), (52, 7628), (104, 3814), (208, 1907)]