389619517

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 479711232

約数和(自身を除く): 90091715

約数列:

[1, 7, 23, 43, 161, 167, 301, 337, 989, 1169, 2359, 3841, 6923, 7181, 7751, 14491, 26887, 50267, 54257, 56279, 101437, 165163, 333293, 393953, 1156141, 1294417, 2333051, 2419997, 9060919, 16939979, 55659931, 389619517]

約数ペア:

[(1, 389619517), (7, 55659931), (23, 16939979), (43, 9060919), (161, 2419997), (167, 2333051), (301, 1294417), (337, 1156141), (989, 393953), (1169, 333293), (2359, 165163), (3841, 101437), (6923, 56279), (7181, 54257), (7751, 50267), (14491, 26887)]