280694018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{40763}}^1$

素因数の和:41089

約数の個数: 16

約数和(自身を含む): 460796256

約数和(自身を除く): 180102238

約数列:

[1, 2, 11, 22, 313, 626, 3443, 6886, 40763, 81526, 448393, 896786, 12758819, 25517638, 140347009, 280694018]

約数ペア:

[(1, 280694018), (2, 140347009), (11, 25517638), (22, 12758819), (313, 896786), (626, 448393), (3443, 81526), (6886, 40763)]