690147194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199811}}^1$

素因数の和:199981

約数の個数: 16

約数和(自身を含む): 1136530656

約数和(自身を除く): 446383462

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 199811, 399622, 2197921, 4395842, 31370327, 62740654, 345073597, 690147194]

約数ペア:

[(1, 690147194), (2, 345073597), (11, 62740654), (22, 31370327), (157, 4395842), (314, 2197921), (1727, 399622), (3454, 199811)]