64128584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19891}}^1$

素因数の和:19941

約数の個数: 32

約数和(自身を含む): 133674240

約数和(自身を除く): 69545656

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 19891, 39782, 79564, 159128, 258583, 517166, 616621, 1034332, 1233242, 2068664, 2466484, 4932968, 8016073, 16032146, 32064292, 64128584]

約数ペア:

[(1, 64128584), (2, 32064292), (4, 16032146), (8, 8016073), (13, 4932968), (26, 2466484), (31, 2068664), (52, 1233242), (62, 1034332), (104, 616621), (124, 517166), (248, 258583), (403, 159128), (806, 79564), (1612, 39782), (3224, 19891)]