381657712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1255453}}^1$

素因数の和:1255480

約数の個数: 20

約数和(自身を含む): 778381480

約数和(自身を除く): 396723768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1255453, 2510906, 5021812, 10043624, 20087248, 23853607, 47707214, 95414428, 190828856, 381657712]

約数ペア:

[(1, 381657712), (2, 190828856), (4, 95414428), (8, 47707214), (16, 23853607), (19, 20087248), (38, 10043624), (76, 5021812), (152, 2510906), (304, 1255453)]