28640656

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{162731}}^1$

素因数の和:162750

約数の個数: 20

約数和(自身を含む): 60536304

約数和(自身を除く): 31895648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 162731, 325462, 650924, 1301848, 1790041, 2603696, 3580082, 7160164, 14320328, 28640656]

約数ペア:

[(1, 28640656), (2, 14320328), (4, 7160164), (8, 3580082), (11, 2603696), (16, 1790041), (22, 1301848), (44, 650924), (88, 325462), (176, 162731)]