66109628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1271339}}^1$

素因数の和:1271356

約数の個数: 12

約数和(自身を含む): 124591320

約数和(自身を除く): 58481692

約数列:

[1, 2, 4, 13, 26, 52, 1271339, 2542678, 5085356, 16527407, 33054814, 66109628]

約数ペア:

[(1, 66109628), (2, 33054814), (4, 16527407), (13, 5085356), (26, 2542678), (52, 1271339)]