218913564

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{111919}}^1$

素因数の和:112089

約数の個数: 24

約数和(自身を含む): 513936640

約数和(自身を除く): 295023076

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 111919, 223838, 335757, 447676, 671514, 1343028, 18242797, 36485594, 54728391, 72971188, 109456782, 218913564]

約数ペア:

[(1, 218913564), (2, 109456782), (3, 72971188), (4, 54728391), (6, 36485594), (12, 18242797), (163, 1343028), (326, 671514), (489, 447676), (652, 335757), (978, 223838), (1956, 111919)]