90200885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 118609920

約数和(自身を除く): 28409035

約数列:

[1, 5, 19, 43, 71, 95, 215, 311, 355, 817, 1349, 1555, 3053, 4085, 5909, 6745, 13373, 15265, 22081, 29545, 58007, 66865, 110405, 254087, 290035, 419539, 949483, 1270435, 2097695, 4747415, 18040177, 90200885]

約数ペア:

[(1, 90200885), (5, 18040177), (19, 4747415), (43, 2097695), (71, 1270435), (95, 949483), (215, 419539), (311, 290035), (355, 254087), (817, 110405), (1349, 66865), (1555, 58007), (3053, 29545), (4085, 22081), (5909, 15265), (6745, 13373)]