189786961

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{90677}}^1$

素因数の和:90720

約数の個数: 16

約数和(自身を含む): 243742464

約数和(自身を除く): 53955503

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 90677, 634739, 1178801, 2085571, 8251607, 14598997, 27112423, 189786961]

約数ペア:

[(1, 189786961), (7, 27112423), (13, 14598997), (23, 8251607), (91, 2085571), (161, 1178801), (299, 634739), (2093, 90677)]