66081925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 104215552

約数和(自身を除く): 38133627

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 91, 155, 175, 217, 325, 403, 455, 775, 937, 1085, 2015, 2275, 2821, 4685, 5425, 6559, 10075, 12181, 14105, 23425, 29047, 32795, 60905, 70525, 85267, 145235, 163975, 203329, 304525, 377611, 426335, 726175, 1016645, 1888055, 2131675, 2643277, 5083225, 9440275, 13216385, 66081925]

約数ペア:

[(1, 66081925), (5, 13216385), (7, 9440275), (13, 5083225), (25, 2643277), (31, 2131675), (35, 1888055), (65, 1016645), (91, 726175), (155, 426335), (175, 377611), (217, 304525), (325, 203329), (403, 163975), (455, 145235), (775, 85267), (937, 70525), (1085, 60905), (2015, 32795), (2275, 29047), (2821, 23425), (4685, 14105), (5425, 12181), (6559, 10075)]