28006978390

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{11718401}}^1$

素因数の和:11718647

約数の個数: 16

約数和(自身を含む): 50623496640

約数和(自身を除く): 22616518250

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 11718401, 23436802, 58592005, 117184010, 2800697839, 5601395678, 14003489195, 28006978390]

約数ペア:

[(1, 28006978390), (2, 14003489195), (5, 5601395678), (10, 2800697839), (239, 117184010), (478, 58592005), (1195, 23436802), (2390, 11718401)]