28978862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42491}}^1$

素因数の和:42535

約数の個数: 16

約数和(自身を含む): 48950784

約数和(自身を除く): 19971922

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 42491, 84982, 467401, 934802, 1317221, 2634442, 14489431, 28978862]

約数ペア:

[(1, 28978862), (2, 14489431), (11, 2634442), (22, 1317221), (31, 934802), (62, 467401), (341, 84982), (682, 42491)]