1388625296

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{170509}}^1$

素因数の和:171026

約数の個数: 20

約数和(自身を含む): 2695763100

約数和(自身を除く): 1307137804

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 170509, 341018, 682036, 1364072, 2728144, 86789081, 173578162, 347156324, 694312648, 1388625296]

約数ペア:

[(1, 1388625296), (2, 694312648), (4, 347156324), (8, 173578162), (16, 86789081), (509, 2728144), (1018, 1364072), (2036, 682036), (4072, 341018), (8144, 170509)]