28021142

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{2647}}^1$

素因数の和:2795

約数の個数: 16

約数和(自身を含む): 43215360

約数和(自身を除く): 15194218

約数列:

[1, 2, 67, 79, 134, 158, 2647, 5293, 5294, 10586, 177349, 209113, 354698, 418226, 14010571, 28021142]

約数ペア:

[(1, 28021142), (2, 14010571), (67, 418226), (79, 354698), (134, 209113), (158, 177349), (2647, 10586), (5293, 5294)]