209919827

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{8887}}^1$

素因数の和:9002

約数の個数: 16

約数和(自身を含む): 238909440

約数和(自身を除く): 28989613

約数列:

[1, 13, 23, 79, 299, 1027, 1817, 8887, 23621, 115531, 204401, 702073, 2657213, 9126949, 16147679, 209919827]

約数ペア:

[(1, 209919827), (13, 16147679), (23, 9126949), (79, 2657213), (299, 702073), (1027, 204401), (1817, 115531), (8887, 23621)]