86970290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1801}}^1$

素因数の和:2258

約数の個数: 32

約数和(自身を含む): 171262080

約数和(自身を除く): 84291790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 439, 878, 1801, 2195, 3602, 4390, 4829, 9005, 9658, 18010, 19811, 24145, 39622, 48290, 99055, 198110, 790639, 1581278, 3953195, 7906390, 8697029, 17394058, 43485145, 86970290]

約数ペア:

[(1, 86970290), (2, 43485145), (5, 17394058), (10, 8697029), (11, 7906390), (22, 3953195), (55, 1581278), (110, 790639), (439, 198110), (878, 99055), (1801, 48290), (2195, 39622), (3602, 24145), (4390, 19811), (4829, 18010), (9005, 9658)]