161557648

素因数分解:

$2^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{4157}}^1$

素因数の和:4519

約数の個数: 40

約数和(自身を含む): 358852032

約数和(自身を除く): 197294384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 347, 694, 1388, 2429, 2776, 4157, 4858, 5552, 8314, 9716, 16628, 19432, 29099, 33256, 38864, 58198, 66512, 116396, 232792, 465584, 1442479, 2884958, 5769916, 10097353, 11539832, 20194706, 23079664, 40389412, 80778824, 161557648]

約数ペア:

[(1, 161557648), (2, 80778824), (4, 40389412), (7, 23079664), (8, 20194706), (14, 11539832), (16, 10097353), (28, 5769916), (56, 2884958), (112, 1442479), (347, 465584), (694, 232792), (1388, 116396), (2429, 66512), (2776, 58198), (4157, 38864), (4858, 33256), (5552, 29099), (8314, 19432), (9716, 16628)]