128208712

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{102077}}^1$

素因数の和:102240

約数の個数: 16

約数和(自身を含む): 241924860

約数和(自身を除く): 113716148

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 102077, 204154, 408308, 816616, 16026089, 32052178, 64104356, 128208712]

約数ペア:

[(1, 128208712), (2, 64104356), (4, 32052178), (8, 16026089), (157, 816616), (314, 408308), (628, 204154), (1256, 102077)]