644067728642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{11027}}^1\times {\mathrm{2246471}}^1$

素因数の和:2257513

約数の個数: 16

約数和(自身を含む): 1040511915072

約数和(自身を除く): 396444186430

約数列:

[1, 2, 13, 26, 11027, 22054, 143351, 286702, 2246471, 4492942, 29204123, 58408246, 24771835717, 49543671434, 322033864321, 644067728642]

約数ペア:

[(1, 644067728642), (2, 322033864321), (13, 49543671434), (26, 24771835717), (11027, 58408246), (22054, 29204123), (143351, 4492942), (286702, 2246471)]