78806416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1699}}^1$

素因数の和:1943

約数の個数: 40

約数和(自身を含む): 165267200

約数和(自身を除く): 86460784

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 223, 446, 892, 1699, 1784, 2899, 3398, 3568, 5798, 6796, 11596, 13592, 22087, 23192, 27184, 44174, 46384, 88348, 176696, 353392, 378877, 757754, 1515508, 3031016, 4925401, 6062032, 9850802, 19701604, 39403208, 78806416]

約数ペア:

[(1, 78806416), (2, 39403208), (4, 19701604), (8, 9850802), (13, 6062032), (16, 4925401), (26, 3031016), (52, 1515508), (104, 757754), (208, 378877), (223, 353392), (446, 176696), (892, 88348), (1699, 46384), (1784, 44174), (2899, 27184), (3398, 23192), (3568, 22087), (5798, 13592), (6796, 11596)]