28277921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{863}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 33619968

約数和(自身を除く): 5342047

約数列:

[1, 7, 31, 151, 217, 863, 1057, 4681, 6041, 26753, 32767, 130313, 187271, 912191, 4039703, 28277921]

約数ペア:

[(1, 28277921), (7, 4039703), (31, 912191), (151, 187271), (217, 130313), (863, 32767), (1057, 26753), (4681, 6041)]