890657285

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{31849}}^1$

素因数の和:31925

約数の個数: 32

約数和(自身を含む): 1320883200

約数和(自身を除く): 430225915

約数列:

[1, 5, 7, 17, 35, 47, 85, 119, 235, 329, 595, 799, 1645, 3995, 5593, 27965, 31849, 159245, 222943, 541433, 1114715, 1496903, 2707165, 3790031, 7484515, 10478321, 18950155, 25447351, 52391605, 127236755, 178131457, 890657285]

約数ペア:

[(1, 890657285), (5, 178131457), (7, 127236755), (17, 52391605), (35, 25447351), (47, 18950155), (85, 10478321), (119, 7484515), (235, 3790031), (329, 2707165), (595, 1496903), (799, 1114715), (1645, 541433), (3995, 222943), (5593, 159245), (27965, 31849)]