399524096

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{82139}}^1$

素因数の和:82174

約数の個数: 36

約数和(自身を含む): 839470800

約数和(自身を除く): 439946704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 82139, 164278, 328556, 657112, 1314224, 1560641, 2628448, 3121282, 5256896, 6242564, 10513792, 12485128, 21027584, 24970256, 49940512, 99881024, 199762048, 399524096]

約数ペア:

[(1, 399524096), (2, 199762048), (4, 99881024), (8, 49940512), (16, 24970256), (19, 21027584), (32, 12485128), (38, 10513792), (64, 6242564), (76, 5256896), (128, 3121282), (152, 2628448), (256, 1560641), (304, 1314224), (608, 657112), (1216, 328556), (2432, 164278), (4864, 82139)]