664226776

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1709}}^1\times {\mathrm{2557}}^1$

素因数の和:4291

約数の個数: 32

約数和(自身を含む): 1312254000

約数和(自身を除く): 648027224

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1709, 2557, 3418, 5114, 6836, 10228, 13672, 20456, 32471, 48583, 64942, 97166, 129884, 194332, 259768, 388664, 4369913, 8739826, 17479652, 34959304, 83028347, 166056694, 332113388, 664226776]

約数ペア:

[(1, 664226776), (2, 332113388), (4, 166056694), (8, 83028347), (19, 34959304), (38, 17479652), (76, 8739826), (152, 4369913), (1709, 388664), (2557, 259768), (3418, 194332), (5114, 129884), (6836, 97166), (10228, 64942), (13672, 48583), (20456, 32471)]