161778244

素因数分解:

$2^2\times {\mathrm{167}}^1\times {\mathrm{199}}^1\times {\mathrm{1217}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 286473600

約数和(自身を除く): 124695356

約数列:

[1, 2, 4, 167, 199, 334, 398, 668, 796, 1217, 2434, 4868, 33233, 66466, 132932, 203239, 242183, 406478, 484366, 812956, 968732, 40444561, 80889122, 161778244]

約数ペア:

[(1, 161778244), (2, 80889122), (4, 40444561), (167, 968732), (199, 812956), (334, 484366), (398, 406478), (668, 242183), (796, 203239), (1217, 132932), (2434, 66466), (4868, 33233)]