30905084

素因数分解:

$2^2\times 7^2\times {\mathrm{157679}}^1$

素因数の和:157697

約数の個数: 18

約数和(自身を含む): 62914320

約数和(自身を除く): 32009236

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 157679, 315358, 630716, 1103753, 2207506, 4415012, 7726271, 15452542, 30905084]

約数ペア:

[(1, 30905084), (2, 15452542), (4, 7726271), (7, 4415012), (14, 2207506), (28, 1103753), (49, 630716), (98, 315358), (196, 157679)]