408519605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2137}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 562482144

約数和(自身を除く): 153962539

約数列:

[1, 5, 13, 17, 65, 85, 173, 221, 865, 1105, 2137, 2249, 2941, 10685, 11245, 14705, 27781, 36329, 38233, 138905, 181645, 191165, 369701, 472277, 1848505, 2361385, 4806113, 6284917, 24030565, 31424585, 81703921, 408519605]

約数ペア:

[(1, 408519605), (5, 81703921), (13, 31424585), (17, 24030565), (65, 6284917), (85, 4806113), (173, 2361385), (221, 1848505), (865, 472277), (1105, 369701), (2137, 191165), (2249, 181645), (2941, 138905), (10685, 38233), (11245, 36329), (14705, 27781)]