209181208

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{7621}}^1$

素因数の和:7747

約数の個数: 32

約数和(自身を含む): 406100160

約数和(自身を除く): 196918952

約数列:

[1, 2, 4, 8, 47, 73, 94, 146, 188, 292, 376, 584, 3431, 6862, 7621, 13724, 15242, 27448, 30484, 60968, 358187, 556333, 716374, 1112666, 1432748, 2225332, 2865496, 4450664, 26147651, 52295302, 104590604, 209181208]

約数ペア:

[(1, 209181208), (2, 104590604), (4, 52295302), (8, 26147651), (47, 4450664), (73, 2865496), (94, 2225332), (146, 1432748), (188, 1112666), (292, 716374), (376, 556333), (584, 358187), (3431, 60968), (6862, 30484), (7621, 27448), (13724, 15242)]