155131205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1087}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 208687104

約数和(自身を除く): 53555899

約数列:

[1, 5, 17, 23, 73, 85, 115, 365, 391, 1087, 1241, 1679, 1955, 5435, 6205, 8395, 18479, 25001, 28543, 79351, 92395, 125005, 142715, 396755, 425017, 1348967, 1825073, 2125085, 6744835, 9125365, 31026241, 155131205]

約数ペア:

[(1, 155131205), (5, 31026241), (17, 9125365), (23, 6744835), (73, 2125085), (85, 1825073), (115, 1348967), (365, 425017), (391, 396755), (1087, 142715), (1241, 125005), (1679, 92395), (1955, 79351), (5435, 28543), (6205, 25001), (8395, 18479)]