13440778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 23514624

約数和(自身を除く): 10073846

約数列:

[1, 2, 13, 17, 26, 34, 47, 94, 221, 442, 611, 647, 799, 1222, 1294, 1598, 8411, 10387, 10999, 16822, 20774, 21998, 30409, 60818, 142987, 285974, 395317, 516953, 790634, 1033906, 6720389, 13440778]

約数ペア:

[(1, 13440778), (2, 6720389), (13, 1033906), (17, 790634), (26, 516953), (34, 395317), (47, 285974), (94, 142987), (221, 60818), (442, 30409), (611, 21998), (647, 20774), (799, 16822), (1222, 10999), (1294, 10387), (1598, 8411)]