661042291

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{148249}}^1$

素因数の和:148283

約数の個数: 16

約数和(自身を含む): 830200000

約数和(自身を除く): 169157709

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 148249, 1037743, 1927237, 7264201, 13490659, 50849407, 94434613, 661042291]

約数ペア:

[(1, 661042291), (7, 94434613), (13, 50849407), (49, 13490659), (91, 7264201), (343, 1927237), (637, 1037743), (4459, 148249)]