66940684

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 118727168

約数和(自身を除く): 51786484

約数列:

[1, 2, 4, 127, 254, 313, 421, 508, 626, 842, 1252, 1684, 39751, 53467, 79502, 106934, 131773, 159004, 213868, 263546, 527092, 16735171, 33470342, 66940684]

約数ペア:

[(1, 66940684), (2, 33470342), (4, 16735171), (127, 527092), (254, 263546), (313, 213868), (421, 159004), (508, 131773), (626, 106934), (842, 79502), (1252, 53467), (1684, 39751)]