81434851205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1\times {\mathrm{22147}}^1$

素因数の和:22589

約数の個数: 32

約数和(自身を含む): 104481861120

約数和(自身を除く): 23047009915

約数列:

[1, 5, 17, 85, 181, 239, 905, 1195, 3077, 4063, 15385, 20315, 22147, 43259, 110735, 216295, 376499, 735403, 1882495, 3677015, 4008607, 5293133, 20043035, 26465665, 68146319, 89983261, 340731595, 449916305, 958057073, 4790285365, 16286970241, 81434851205]

約数ペア:

[(1, 81434851205), (5, 16286970241), (17, 4790285365), (85, 958057073), (181, 449916305), (239, 340731595), (905, 89983261), (1195, 68146319), (3077, 26465665), (4063, 20043035), (15385, 5293133), (20315, 4008607), (22147, 3677015), (43259, 1882495), (110735, 735403), (216295, 376499)]