196805917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{111127}}^1$

素因数の和:111168

約数の個数: 16

約数和(自身を含む): 256038912

約数和(自身を除く): 59232995

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 111127, 777889, 1222397, 2555921, 8556779, 17891447, 28115131, 196805917]

約数ペア:

[(1, 196805917), (7, 28115131), (11, 17891447), (23, 8556779), (77, 2555921), (161, 1222397), (253, 777889), (1771, 111127)]