858361855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 1145104128

約数和(自身を除く): 286742273

約数列:

[1, 5, 13, 41, 65, 137, 205, 533, 685, 1781, 2351, 2665, 5617, 8905, 11755, 28085, 30563, 73021, 96391, 152815, 322087, 365105, 481955, 1253083, 1610435, 4187131, 6265415, 13205567, 20935655, 66027835, 171672371, 858361855]

約数ペア:

[(1, 858361855), (5, 171672371), (13, 66027835), (41, 20935655), (65, 13205567), (137, 6265415), (205, 4187131), (533, 1610435), (685, 1253083), (1781, 481955), (2351, 365105), (2665, 322087), (5617, 152815), (8905, 96391), (11755, 73021), (28085, 30563)]