80253998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 134369280

約数和(自身を除く): 54115282

約数列:

[1, 2, 11, 22, 71, 142, 191, 269, 382, 538, 781, 1562, 2101, 2959, 4202, 5918, 13561, 19099, 27122, 38198, 51379, 102758, 149171, 210089, 298342, 420178, 565169, 1130338, 3647909, 7295818, 40126999, 80253998]

約数ペア:

[(1, 80253998), (2, 40126999), (11, 7295818), (22, 3647909), (71, 1130338), (142, 565169), (191, 420178), (269, 298342), (382, 210089), (538, 149171), (781, 102758), (1562, 51379), (2101, 38198), (2959, 27122), (4202, 19099), (5918, 13561)]