28676921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 35750400

約数和(自身を除く): 7073479

約数列:

[1, 7, 13, 79, 91, 553, 1027, 3989, 7189, 27923, 51857, 315131, 362999, 2205917, 4096703, 28676921]

約数ペア:

[(1, 28676921), (7, 4096703), (13, 2205917), (79, 362999), (91, 315131), (553, 51857), (1027, 27923), (3989, 7189)]