661645124

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{284701}}^1$

素因数の和:284795

約数の個数: 24

約数和(自身を含む): 1339238208

約数和(自身を除く): 677593084

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 284701, 569402, 1138804, 1992907, 3985814, 7971628, 23630183, 47260366, 94520732, 165411281, 330822562, 661645124]

約数ペア:

[(1, 661645124), (2, 330822562), (4, 165411281), (7, 94520732), (14, 47260366), (28, 23630183), (83, 7971628), (166, 3985814), (332, 1992907), (581, 1138804), (1162, 569402), (2324, 284701)]