172781219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{4111}}^1$

素因数の和:4238

約数の個数: 16

約数和(自身を含む): 192737664

約数和(自身を除く): 19956445

約数列:

[1, 13, 53, 61, 689, 793, 3233, 4111, 42029, 53443, 217883, 250771, 2832479, 3260023, 13290863, 172781219]

約数ペア:

[(1, 172781219), (13, 13290863), (53, 3260023), (61, 2832479), (689, 250771), (793, 217883), (3233, 53443), (4111, 42029)]