128222768

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{170509}}^1$

素因数の和:170564

約数の個数: 20

約数和(自身を含む): 253718880

約数和(自身を除く): 125496112

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 170509, 341018, 682036, 1364072, 2728144, 8013923, 16027846, 32055692, 64111384, 128222768]

約数ペア:

[(1, 128222768), (2, 64111384), (4, 32055692), (8, 16027846), (16, 8013923), (47, 2728144), (94, 1364072), (188, 682036), (376, 341018), (752, 170509)]