64837990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{6761}}^1$

素因数の和:6912

約数の個数: 32

約数和(自身を含む): 134374464

約数和(自身を除く): 69536474

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 4795, 6761, 9590, 13522, 33805, 47327, 67610, 94654, 236635, 473270, 926257, 1852514, 4631285, 6483799, 9262570, 12967598, 32418995, 64837990]

約数ペア:

[(1, 64837990), (2, 32418995), (5, 12967598), (7, 9262570), (10, 6483799), (14, 4631285), (35, 1852514), (70, 926257), (137, 473270), (274, 236635), (685, 94654), (959, 67610), (1370, 47327), (1918, 33805), (4795, 13522), (6761, 9590)]