309969166

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 508032000

約数和(自身を除く): 198062834

約数列:

[1, 2, 13, 26, 139, 199, 278, 398, 431, 862, 1807, 2587, 3614, 5174, 5603, 11206, 27661, 55322, 59909, 85769, 119818, 171538, 359593, 719186, 778817, 1114997, 1557634, 2229994, 11921891, 23843782, 154984583, 309969166]

約数ペア:

[(1, 309969166), (2, 154984583), (13, 23843782), (26, 11921891), (139, 2229994), (199, 1557634), (278, 1114997), (398, 778817), (431, 719186), (862, 359593), (1807, 171538), (2587, 119818), (3614, 85769), (5174, 59909), (5603, 55322), (11206, 27661)]