66986972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{9403}}^1$

素因数の和:9557

約数の個数: 24

約数和(自身を含む): 127179696

約数和(自身を除く): 60192724

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 9403, 18806, 37612, 122239, 244478, 488956, 1288211, 2576422, 5152844, 16746743, 33493486, 66986972]

約数ペア:

[(1, 66986972), (2, 33493486), (4, 16746743), (13, 5152844), (26, 2576422), (52, 1288211), (137, 488956), (274, 244478), (548, 122239), (1781, 37612), (3562, 18806), (7124, 9403)]