16421878

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 28108800

約数和(自身を除く): 11686922

約数列:

[1, 2, 11, 22, 31, 62, 121, 199, 242, 341, 398, 682, 1331, 2189, 2662, 3751, 4378, 6169, 7502, 12338, 24079, 41261, 48158, 67859, 82522, 135718, 264869, 529738, 746449, 1492898, 8210939, 16421878]

約数ペア:

[(1, 16421878), (2, 8210939), (11, 1492898), (22, 746449), (31, 529738), (62, 264869), (121, 135718), (199, 82522), (242, 67859), (341, 48158), (398, 41261), (682, 24079), (1331, 12338), (2189, 7502), (2662, 6169), (3751, 4378)]