81357614

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{14159}}^1$

素因数の和:14204

約数の個数: 24

約数和(自身を含む): 139929120

約数和(自身を除く): 58571506

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 14159, 28318, 184067, 240703, 368134, 481406, 2392871, 3129139, 4785742, 6258278, 40678807, 81357614]

約数ペア:

[(1, 81357614), (2, 40678807), (13, 6258278), (17, 4785742), (26, 3129139), (34, 2392871), (169, 481406), (221, 368134), (338, 240703), (442, 184067), (2873, 28318), (5746, 14159)]