2639830978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{7591}}^1$

素因数の和:7774

約数の個数: 32

約数和(自身を含む): 4198072320

約数和(自身を除く): 1558241342

約数列:

[1, 2, 31, 62, 71, 79, 142, 158, 2201, 2449, 4402, 4898, 5609, 7591, 11218, 15182, 173879, 235321, 347758, 470642, 538961, 599689, 1077922, 1199378, 16707791, 18590359, 33415582, 37180718, 42577919, 85155838, 1319915489, 2639830978]

約数ペア:

[(1, 2639830978), (2, 1319915489), (31, 85155838), (62, 42577919), (71, 37180718), (79, 33415582), (142, 18590359), (158, 16707791), (2201, 1199378), (2449, 1077922), (4402, 599689), (4898, 538961), (5609, 470642), (7591, 347758), (11218, 235321), (15182, 173879)]