12742804048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61263481}}^1$

素因数の和:61263502

約数の個数: 20

約数和(自身を含む): 26588351188

約数和(自身を除く): 13845547140

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61263481, 122526962, 245053924, 490107848, 796425253, 980215696, 1592850506, 3185701012, 6371402024, 12742804048]

約数ペア:

[(1, 12742804048), (2, 6371402024), (4, 3185701012), (8, 1592850506), (13, 980215696), (16, 796425253), (26, 490107848), (52, 245053924), (104, 122526962), (208, 61263481)]