840764982

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{21871}}^1$

素因数の和:22068

約数の個数: 32

約数和(自身を含む): 1732262400

約数和(自身を除く): 891497418

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 894, 6407, 12814, 19221, 21871, 38442, 43742, 65613, 131226, 940453, 1880906, 2821359, 3258779, 5642718, 6517558, 9776337, 19552674, 140127497, 280254994, 420382491, 840764982]

約数ペア:

[(1, 840764982), (2, 420382491), (3, 280254994), (6, 140127497), (43, 19552674), (86, 9776337), (129, 6517558), (149, 5642718), (258, 3258779), (298, 2821359), (447, 1880906), (894, 940453), (6407, 131226), (12814, 65613), (19221, 43742), (21871, 38442)]