42505379

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 49593600

約数和(自身を除く): 7088221

約数列:

[1, 7, 83, 149, 491, 581, 1043, 3437, 12367, 40753, 73159, 86569, 285271, 512113, 6072197, 42505379]

約数ペア:

[(1, 42505379), (7, 6072197), (83, 512113), (149, 285271), (491, 86569), (581, 73159), (1043, 40753), (3437, 12367)]