71786428

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{19571}}^1$

素因数の和:19713

約数の個数: 24

約数和(自身を含む): 144676224

約数和(自身を除く): 72889796

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 19571, 39142, 78284, 136997, 273994, 547988, 2563801, 5127602, 10255204, 17946607, 35893214, 71786428]

約数ペア:

[(1, 71786428), (2, 35893214), (4, 17946607), (7, 10255204), (14, 5127602), (28, 2563801), (131, 547988), (262, 273994), (524, 136997), (917, 78284), (1834, 39142), (3668, 19571)]