895293889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 1101992960

約数和(自身を除く): 206699071

約数列:

[1, 7, 19, 61, 133, 211, 427, 523, 1159, 1477, 3661, 4009, 8113, 9937, 12871, 28063, 31903, 69559, 90097, 110353, 223321, 244549, 606157, 772471, 1711843, 2096707, 4243099, 6731533, 14676949, 47120731, 127899127, 895293889]

約数ペア:

[(1, 895293889), (7, 127899127), (19, 47120731), (61, 14676949), (133, 6731533), (211, 4243099), (427, 2096707), (523, 1711843), (1159, 772471), (1477, 606157), (3661, 244549), (4009, 223321), (8113, 110353), (9937, 90097), (12871, 69559), (28063, 31903)]