291214586

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 478411920

約数和(自身を除く): 187197334

約数列:

[1, 2, 13, 26, 89, 178, 317, 397, 634, 794, 1157, 2314, 4121, 5161, 8242, 10322, 28213, 35333, 56426, 70666, 125849, 251698, 366769, 459329, 733538, 918658, 1636037, 3272074, 11200561, 22401122, 145607293, 291214586]

約数ペア:

[(1, 291214586), (2, 145607293), (13, 22401122), (26, 11200561), (89, 3272074), (178, 1636037), (317, 918658), (397, 733538), (634, 459329), (794, 366769), (1157, 251698), (2314, 125849), (4121, 70666), (5161, 56426), (8242, 35333), (10322, 28213)]