165720356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{4441}}^1$

素因数の和:4955

約数の個数: 24

約数和(自身を含む): 305964960

約数和(自身を除く): 140244604

約数列:

[1, 2, 4, 19, 38, 76, 491, 982, 1964, 4441, 8882, 9329, 17764, 18658, 37316, 84379, 168758, 337516, 2180531, 4361062, 8722124, 41430089, 82860178, 165720356]

約数ペア:

[(1, 165720356), (2, 82860178), (4, 41430089), (19, 8722124), (38, 4361062), (76, 2180531), (491, 337516), (982, 168758), (1964, 84379), (4441, 37316), (8882, 18658), (9329, 17764)]