331347890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{16187}}^1$

素因数の和:16306

約数の個数: 32

約数和(自身を含む): 629389440

約数和(自身を除く): 298041550

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 16187, 20470, 32374, 80935, 161870, 372301, 744602, 1440643, 1861505, 2881286, 3723010, 7203215, 14406430, 33134789, 66269578, 165673945, 331347890]

約数ペア:

[(1, 331347890), (2, 165673945), (5, 66269578), (10, 33134789), (23, 14406430), (46, 7203215), (89, 3723010), (115, 2881286), (178, 1861505), (230, 1440643), (445, 744602), (890, 372301), (2047, 161870), (4094, 80935), (10235, 32374), (16187, 20470)]