216442018

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{1613}}^1$

素因数の和:2038

約数の個数: 24

約数和(自身を含む): 352662228

約数和(自身を除く): 136220210

約数列:

[1, 2, 13, 26, 169, 338, 397, 794, 1613, 3226, 5161, 10322, 20969, 41938, 67093, 134186, 272597, 545194, 640361, 1280722, 8324693, 16649386, 108221009, 216442018]

約数ペア:

[(1, 216442018), (2, 108221009), (13, 16649386), (26, 8324693), (169, 1280722), (338, 640361), (397, 545194), (794, 272597), (1613, 134186), (3226, 67093), (5161, 41938), (10322, 20969)]