397737982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{132491}}^1$

素因数の和:132591

約数の個数: 16

約数和(自身を含む): 635961600

約数和(自身を除く): 238223618

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 132491, 264982, 2517329, 5034658, 10466789, 20933578, 198868991, 397737982]

約数ペア:

[(1, 397737982), (2, 198868991), (19, 20933578), (38, 10466789), (79, 5034658), (158, 2517329), (1501, 264982), (3002, 132491)]