66789476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{98801}}^1$

素因数の和:98831

約数の個数: 18

約数和(自身を含む): 126565362

約数和(自身を除く): 59775886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 98801, 197602, 395204, 1284413, 2568826, 5137652, 16697369, 33394738, 66789476]

約数ペア:

[(1, 66789476), (2, 33394738), (4, 16697369), (13, 5137652), (26, 2568826), (52, 1284413), (169, 395204), (338, 197602), (676, 98801)]