78640126

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{28349}}^1$

素因数の和:28443

約数の個数: 16

約数和(自身を含む): 125874000

約数和(自身を除く): 47233874

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 28349, 56698, 538631, 1077262, 2069477, 4138954, 39320063, 78640126]

約数ペア:

[(1, 78640126), (2, 39320063), (19, 4138954), (38, 2069477), (73, 1077262), (146, 538631), (1387, 56698), (2774, 28349)]