639910817

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{132679}}^1$

素因数の和:132752

約数の個数: 16

約数和(自身を含む): 802448640

約数和(自身を除く): 162537823

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 132679, 928753, 1724827, 7031987, 12073789, 49223909, 91415831, 639910817]

約数ペア:

[(1, 639910817), (7, 91415831), (13, 49223909), (53, 12073789), (91, 7031987), (371, 1724827), (689, 928753), (4823, 132679)]