320674648

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{248971}}^1$

素因数の和:249007

約数の個数: 32

約数和(自身を含む): 717039360

約数和(自身を除く): 396364712

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 248971, 497942, 995884, 1742797, 1991768, 3485594, 5726333, 6971188, 11452666, 13942376, 22905332, 40084331, 45810664, 80168662, 160337324, 320674648]

約数ペア:

[(1, 320674648), (2, 160337324), (4, 80168662), (7, 45810664), (8, 40084331), (14, 22905332), (23, 13942376), (28, 11452666), (46, 6971188), (56, 5726333), (92, 3485594), (161, 1991768), (184, 1742797), (322, 995884), (644, 497942), (1288, 248971)]