27664678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21991}}^1$

素因数の和:22047

約数の個数: 16

約数和(自身を含む): 45127584

約数和(自身を除く): 17462906

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 21991, 43982, 373847, 747694, 813667, 1627334, 13832339, 27664678]

約数ペア:

[(1, 27664678), (2, 13832339), (17, 1627334), (34, 813667), (37, 747694), (74, 373847), (629, 43982), (1258, 21991)]