208756898

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2039}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 366612480

約数和(自身を除く): 157855582

約数列:

[1, 2, 7, 14, 71, 103, 142, 206, 497, 721, 994, 1442, 2039, 4078, 7313, 14273, 14626, 28546, 51191, 102382, 144769, 210017, 289538, 420034, 1013383, 1470119, 2026766, 2940238, 14911207, 29822414, 104378449, 208756898]

約数ペア:

[(1, 208756898), (2, 104378449), (7, 29822414), (14, 14911207), (71, 2940238), (103, 2026766), (142, 1470119), (206, 1013383), (497, 420034), (721, 289538), (994, 210017), (1442, 144769), (2039, 102382), (4078, 51191), (7313, 28546), (14273, 14626)]