78199972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{23929}}^1$

素因数の和:23995

約数の個数: 24

約数和(自身を含む): 147408800

約数和(自身を除く): 69208828

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 23929, 47858, 95716, 454651, 909302, 1028947, 1818604, 2057894, 4115788, 19549993, 39099986, 78199972]

約数ペア:

[(1, 78199972), (2, 39099986), (4, 19549993), (19, 4115788), (38, 2057894), (43, 1818604), (76, 1028947), (86, 909302), (172, 454651), (817, 95716), (1634, 47858), (3268, 23929)]