81282695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{4327}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 111610464

約数和(自身を除く): 30327769

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 4327, 18785, 21635, 56251, 73559, 281255, 367795, 956267, 1250503, 4781335, 6252515, 16256539, 81282695]

約数ペア:

[(1, 81282695), (5, 16256539), (13, 6252515), (17, 4781335), (65, 1250503), (85, 956267), (221, 367795), (289, 281255), (1105, 73559), (1445, 56251), (3757, 21635), (4327, 18785)]