68789905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 90948096

約数和(自身を除く): 22158191

約数列:

[1, 5, 17, 47, 67, 85, 235, 257, 335, 799, 1139, 1285, 3149, 3995, 4369, 5695, 12079, 15745, 17219, 21845, 53533, 60395, 86095, 205343, 267665, 292723, 809293, 1026715, 1463615, 4046465, 13757981, 68789905]

約数ペア:

[(1, 68789905), (5, 13757981), (17, 4046465), (47, 1463615), (67, 1026715), (85, 809293), (235, 292723), (257, 267665), (335, 205343), (799, 86095), (1139, 60395), (1285, 53533), (3149, 21845), (3995, 17219), (4369, 15745), (5695, 12079)]