217872031

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{38351}}^1$

素因数の和:38406

約数の個数: 16

約数和(自身を含む): 257725440

約数和(自身を除く): 39853409

約数列:

[1, 13, 19, 23, 247, 299, 437, 5681, 38351, 498563, 728669, 882073, 9472697, 11466949, 16759387, 217872031]

約数ペア:

[(1, 217872031), (13, 16759387), (19, 11466949), (23, 9472697), (247, 882073), (299, 728669), (437, 498563), (5681, 38351)]