221759018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 363847680

約数和(自身を除く): 142088662

約数列:

[1, 2, 13, 26, 127, 239, 254, 281, 478, 562, 1651, 3107, 3302, 3653, 6214, 7306, 30353, 35687, 60706, 67159, 71374, 134318, 394589, 463931, 789178, 873067, 927862, 1746134, 8529193, 17058386, 110879509, 221759018]

約数ペア:

[(1, 221759018), (2, 110879509), (13, 17058386), (26, 8529193), (127, 1746134), (239, 927862), (254, 873067), (281, 789178), (478, 463931), (562, 394589), (1651, 134318), (3107, 71374), (3302, 67159), (3653, 60706), (6214, 35687), (7306, 30353)]