394764118

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{1277}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 689015808

約数和(自身を除く): 294251690

約数列:

[1, 2, 7, 14, 71, 142, 311, 497, 622, 994, 1277, 2177, 2554, 4354, 8939, 17878, 22081, 44162, 90667, 154567, 181334, 309134, 397147, 634669, 794294, 1269338, 2780029, 5560058, 28197437, 56394874, 197382059, 394764118]

約数ペア:

[(1, 394764118), (2, 197382059), (7, 56394874), (14, 28197437), (71, 5560058), (142, 2780029), (311, 1269338), (497, 794294), (622, 634669), (994, 397147), (1277, 309134), (2177, 181334), (2554, 154567), (4354, 90667), (8939, 44162), (17878, 22081)]