2173970158

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{42409}}^1$

素因数の和:42520

約数の個数: 24

約数和(自身を含む): 3490173360

約数和(自身を除く): 1316203202

約数列:

[1, 2, 19, 38, 71, 142, 361, 722, 1349, 2698, 25631, 42409, 51262, 84818, 805771, 1611542, 3011039, 6022078, 15309649, 30619298, 57209741, 114419482, 1086985079, 2173970158]

約数ペア:

[(1, 2173970158), (2, 1086985079), (19, 114419482), (38, 57209741), (71, 30619298), (142, 15309649), (361, 6022078), (722, 3011039), (1349, 1611542), (2698, 805771), (25631, 84818), (42409, 51262)]