201219656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{4657}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 412512480

約数和(自身を除く): 211292824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 491, 982, 1964, 3928, 4657, 5401, 9314, 10802, 18628, 21604, 37256, 43208, 51227, 102454, 204908, 409816, 2286587, 4573174, 9146348, 18292696, 25152457, 50304914, 100609828, 201219656]

約数ペア:

[(1, 201219656), (2, 100609828), (4, 50304914), (8, 25152457), (11, 18292696), (22, 9146348), (44, 4573174), (88, 2286587), (491, 409816), (982, 204908), (1964, 102454), (3928, 51227), (4657, 43208), (5401, 37256), (9314, 21604), (10802, 18628)]