81069196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{23269}}^1$

素因数の和:23353

約数の個数: 24

約数和(自身を含む): 155071280

約数和(自身を除く): 74002084

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 23269, 46538, 93076, 302497, 604994, 1209988, 1559023, 3118046, 6236092, 20267299, 40534598, 81069196]

約数ペア:

[(1, 81069196), (2, 40534598), (4, 20267299), (13, 6236092), (26, 3118046), (52, 1559023), (67, 1209988), (134, 604994), (268, 302497), (871, 93076), (1742, 46538), (3484, 23269)]