208031728

素因数分解:

$2^4\times {\mathrm{839}}^1\times {\mathrm{15497}}^1$

素因数の和:16344

約数の個数: 20

約数和(自身を含む): 403567920

約数和(自身を除く): 195536192

約数列:

[1, 2, 4, 8, 16, 839, 1678, 3356, 6712, 13424, 15497, 30994, 61988, 123976, 247952, 13001983, 26003966, 52007932, 104015864, 208031728]

約数ペア:

[(1, 208031728), (2, 104015864), (4, 52007932), (8, 26003966), (16, 13001983), (839, 247952), (1678, 123976), (3356, 61988), (6712, 30994), (13424, 15497)]