81438670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{16519}}^1$

素因数の和:16572

約数の個数: 32

約数和(自身を含む): 160574400

約数和(自身を除く): 79135730

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4930, 16519, 33038, 82595, 165190, 280823, 479051, 561646, 958102, 1404115, 2395255, 2808230, 4790510, 8143867, 16287734, 40719335, 81438670]

約数ペア:

[(1, 81438670), (2, 40719335), (5, 16287734), (10, 8143867), (17, 4790510), (29, 2808230), (34, 2395255), (58, 1404115), (85, 958102), (145, 561646), (170, 479051), (290, 280823), (493, 165190), (986, 82595), (2465, 33038), (4930, 16519)]