66420952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{638663}}^1$

素因数の和:638682

約数の個数: 16

約数和(自身を含む): 134119440

約数和(自身を除く): 67698488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 638663, 1277326, 2554652, 5109304, 8302619, 16605238, 33210476, 66420952]

約数ペア:

[(1, 66420952), (2, 33210476), (4, 16605238), (8, 8302619), (13, 5109304), (26, 2554652), (52, 1277326), (104, 638663)]