178982012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{10457}}^1$

素因数の和:10861

約数の個数: 24

約数和(自身を含む): 342604080

約数和(自身を除く): 163622068

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 8558, 10457, 17116, 20914, 41828, 115027, 230054, 460108, 4067773, 8135546, 16271092, 44745503, 89491006, 178982012]

約数ペア:

[(1, 178982012), (2, 89491006), (4, 44745503), (11, 16271092), (22, 8135546), (44, 4067773), (389, 460108), (778, 230054), (1556, 115027), (4279, 41828), (8558, 20914), (10457, 17116)]