28771906

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{2081}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 44771328

約数和(自身を除く): 15999422

約数列:

[1, 2, 31, 62, 223, 446, 2081, 4162, 6913, 13826, 64511, 129022, 464063, 928126, 14385953, 28771906]

約数ペア:

[(1, 28771906), (2, 14385953), (31, 928126), (62, 464063), (223, 129022), (446, 64511), (2081, 13826), (4162, 6913)]