71820836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21977}}^1$

素因数の和:22043

約数の個数: 24

約数和(自身を含む): 135384480

約数和(自身を除く): 63563644

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 21977, 43954, 87908, 417563, 835126, 945011, 1670252, 1890022, 3780044, 17955209, 35910418, 71820836]

約数ペア:

[(1, 71820836), (2, 35910418), (4, 17955209), (19, 3780044), (38, 1890022), (43, 1670252), (76, 945011), (86, 835126), (172, 417563), (817, 87908), (1634, 43954), (3268, 21977)]