199815964

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{632329}}^1$

素因数の和:632412

約数の個数: 12

約数和(自身を含む): 354104800

約数和(自身を除く): 154288836

約数列:

[1, 2, 4, 79, 158, 316, 632329, 1264658, 2529316, 49953991, 99907982, 199815964]

約数ペア:

[(1, 199815964), (2, 99907982), (4, 49953991), (79, 2529316), (158, 1264658), (316, 632329)]