87205648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{320609}}^1$

素因数の和:320634

約数の個数: 20

約数和(自身を含む): 178900380

約数和(自身を除く): 91694732

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 320609, 641218, 1282436, 2564872, 5129744, 5450353, 10900706, 21801412, 43602824, 87205648]

約数ペア:

[(1, 87205648), (2, 43602824), (4, 21801412), (8, 10900706), (16, 5450353), (17, 5129744), (34, 2564872), (68, 1282436), (136, 641218), (272, 320609)]