65961584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317123}}^1$

素因数の和:317144

約数の個数: 20

約数和(自身を含む): 137631816

約数和(自身を除く): 71670232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317123, 634246, 1268492, 2536984, 4122599, 5073968, 8245198, 16490396, 32980792, 65961584]

約数ペア:

[(1, 65961584), (2, 32980792), (4, 16490396), (8, 8245198), (13, 5073968), (16, 4122599), (26, 2536984), (52, 1268492), (104, 634246), (208, 317123)]