172267655

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 241532928

約数和(自身を除く): 69265273

約数列:

[1, 5, 7, 35, 71, 181, 355, 383, 497, 905, 1267, 1915, 2485, 2681, 6335, 12851, 13405, 27193, 64255, 69323, 89957, 135965, 190351, 346615, 449785, 485261, 951755, 2426305, 4921933, 24609665, 34453531, 172267655]

約数ペア:

[(1, 172267655), (5, 34453531), (7, 24609665), (35, 4921933), (71, 2426305), (181, 951755), (355, 485261), (383, 449785), (497, 346615), (905, 190351), (1267, 135965), (1915, 89957), (2485, 69323), (2681, 64255), (6335, 27193), (12851, 13405)]