16664128

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20054

約数の個数: 28

約数和(自身を含む): 35613340

約数和(自身を除く): 18949212

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 20029, 40058, 80116, 160232, 260377, 320464, 520754, 640928, 1041508, 1281856, 2083016, 4166032, 8332064, 16664128]

約数ペア:

[(1, 16664128), (2, 8332064), (4, 4166032), (8, 2083016), (13, 1281856), (16, 1041508), (26, 640928), (32, 520754), (52, 320464), (64, 260377), (104, 160232), (208, 80116), (416, 40058), (832, 20029)]