129781778

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{403049}}^1$

素因数の和:403081

約数の個数: 16

約数和(自身を含む): 232156800

約数和(自身を除く): 102375022

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 403049, 806098, 2821343, 5642686, 9270127, 18540254, 64890889, 129781778]

約数ペア:

[(1, 129781778), (2, 64890889), (7, 18540254), (14, 9270127), (23, 5642686), (46, 2821343), (161, 806098), (322, 403049)]