1285497712

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{305489}}^1$

素因数の和:305760

約数の個数: 20

約数和(自身を含む): 2500130160

約数和(自身を除く): 1214632448

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 305489, 610978, 1221956, 2443912, 4887824, 80343607, 160687214, 321374428, 642748856, 1285497712]

約数ペア:

[(1, 1285497712), (2, 642748856), (4, 321374428), (8, 160687214), (16, 80343607), (263, 4887824), (526, 2443912), (1052, 1221956), (2104, 610978), (4208, 305489)]