78421136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{288313}}^1$

素因数の和:288338

約数の個数: 20

約数和(自身を含む): 160879212

約数和(自身を除く): 82458076

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 288313, 576626, 1153252, 2306504, 4613008, 4901321, 9802642, 19605284, 39210568, 78421136]

約数ペア:

[(1, 78421136), (2, 39210568), (4, 19605284), (8, 9802642), (16, 4901321), (17, 4613008), (34, 2306504), (68, 1153252), (136, 576626), (272, 288313)]