66187888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318211}}^1$

素因数の和:318232

約数の個数: 20

約数和(自身を含む): 138104008

約数和(自身を除く): 71916120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318211, 636422, 1272844, 2545688, 4136743, 5091376, 8273486, 16546972, 33093944, 66187888]

約数ペア:

[(1, 66187888), (2, 33093944), (4, 16546972), (8, 8273486), (13, 5091376), (16, 4136743), (26, 2545688), (52, 1272844), (104, 636422), (208, 318211)]