17790890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1279}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 17045590

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1279, 1391, 2558, 2782, 6395, 6955, 12790, 13910, 16627, 33254, 83135, 136853, 166270, 273706, 684265, 1368530, 1779089, 3558178, 8895445, 17790890]

約数ペア:

[(1, 17790890), (2, 8895445), (5, 3558178), (10, 1779089), (13, 1368530), (26, 684265), (65, 273706), (107, 166270), (130, 136853), (214, 83135), (535, 33254), (1070, 16627), (1279, 13910), (1391, 12790), (2558, 6955), (2782, 6395)]