68311321

素因数分解:

${\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 82252800

約数和(自身を除く): 13941479

約数列:

[1, 13, 17, 31, 59, 169, 221, 403, 527, 767, 1003, 1829, 2197, 2873, 5239, 6851, 9971, 13039, 23777, 31093, 37349, 68107, 89063, 129623, 169507, 309101, 404209, 1157819, 2203591, 4018313, 5254717, 68311321]

約数ペア:

[(1, 68311321), (13, 5254717), (17, 4018313), (31, 2203591), (59, 1157819), (169, 404209), (221, 309101), (403, 169507), (527, 129623), (767, 89063), (1003, 68107), (1829, 37349), (2197, 31093), (2873, 23777), (5239, 13039), (6851, 9971)]