28980917

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 34200192

約数和(自身を除く): 5219275

約数列:

[1, 7, 61, 67, 427, 469, 1013, 4087, 7091, 28609, 61793, 67871, 432551, 475097, 4140131, 28980917]

約数ペア:

[(1, 28980917), (7, 4140131), (61, 475097), (67, 432551), (427, 67871), (469, 61793), (1013, 28609), (4087, 7091)]