64805204

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2789}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 117258120

約数和(自身を除く): 52452916

約数列:

[1, 2, 4, 37, 74, 148, 157, 314, 628, 2789, 5578, 5809, 11156, 11618, 23236, 103193, 206386, 412772, 437873, 875746, 1751492, 16201301, 32402602, 64805204]

約数ペア:

[(1, 64805204), (2, 32402602), (4, 16201301), (37, 1751492), (74, 875746), (148, 437873), (157, 412772), (314, 206386), (628, 103193), (2789, 23236), (5578, 11618), (5809, 11156)]