69920656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{336157}}^1$

素因数の和:336178

約数の個数: 20

約数和(自身を含む): 145892572

約数和(自身を除く): 75971916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 336157, 672314, 1344628, 2689256, 4370041, 5378512, 8740082, 17480164, 34960328, 69920656]

約数ペア:

[(1, 69920656), (2, 34960328), (4, 17480164), (8, 8740082), (13, 5378512), (16, 4370041), (26, 2689256), (52, 1344628), (104, 672314), (208, 336157)]