178655984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{66071}}^1$

素因数の和:66105

約数の個数: 30

約数和(自身を含む): 374826456

約数和(自身を除く): 196170472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 66071, 132142, 264284, 528568, 858923, 1057136, 1717846, 3435692, 6871384, 11165999, 13742768, 22331998, 44663996, 89327992, 178655984]

約数ペア:

[(1, 178655984), (2, 89327992), (4, 44663996), (8, 22331998), (13, 13742768), (16, 11165999), (26, 6871384), (52, 3435692), (104, 1717846), (169, 1057136), (208, 858923), (338, 528568), (676, 264284), (1352, 132142), (2704, 66071)]