78126139

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2544

約数の個数: 20

約数和(自身を含む): 98191856

約数和(自身を除く): 20065717

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 2503, 4459, 17521, 31213, 32539, 122647, 227773, 858529, 1594411, 6009703, 11160877, 78126139]

約数ペア:

[(1, 78126139), (7, 11160877), (13, 6009703), (49, 1594411), (91, 858529), (343, 227773), (637, 122647), (2401, 32539), (2503, 31213), (4459, 17521)]