78891538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{49123}}^1$

素因数の和:49209

約数の個数: 16

約数和(自身を含む): 130866336

約数和(自身を除く): 51974798

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 49123, 98246, 540353, 1080706, 3585979, 7171958, 39445769, 78891538]

約数ペア:

[(1, 78891538), (2, 39445769), (11, 7171958), (22, 3585979), (73, 1080706), (146, 540353), (803, 98246), (1606, 49123)]