172521962

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{2789}}^1$

素因数の和:3145

約数の個数: 16

約数和(自身を含む): 261847080

約数和(自身を除く): 89325118

約数列:

[1, 2, 157, 197, 314, 394, 2789, 5578, 30929, 61858, 437873, 549433, 875746, 1098866, 86260981, 172521962]

約数ペア:

[(1, 172521962), (2, 86260981), (157, 1098866), (197, 875746), (314, 549433), (394, 437873), (2789, 61858), (5578, 30929)]