689097785

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 875515392

約数和(自身を除く): 186417607

約数列:

[1, 5, 47, 53, 61, 235, 265, 305, 907, 2491, 2867, 3233, 4535, 12455, 14335, 16165, 42629, 48071, 55327, 151951, 213145, 240355, 276635, 759755, 2259337, 2600369, 2932331, 11296685, 13001845, 14661655, 137819557, 689097785]

約数ペア:

[(1, 689097785), (5, 137819557), (47, 14661655), (53, 13001845), (61, 11296685), (235, 2932331), (265, 2600369), (305, 2259337), (907, 759755), (2491, 276635), (2867, 240355), (3233, 213145), (4535, 151951), (12455, 55327), (14335, 48071), (16165, 42629)]