1279236856

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{2621387}}^1$

素因数の和:2621454

約数の個数: 16

約数和(自身を含む): 2437890840

約数和(自身を除く): 1158653984

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 2621387, 5242774, 10485548, 20971096, 159904607, 319809214, 639618428, 1279236856]

約数ペア:

[(1, 1279236856), (2, 639618428), (4, 319809214), (8, 159904607), (61, 20971096), (122, 10485548), (244, 5242774), (488, 2621387)]