28294565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6131}}^1$

素因数の和:6220

約数の個数: 16

約数和(自身を含む): 37086336

約数和(自身を除く): 8791771

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6131, 30655, 79703, 398515, 435301, 2176505, 5658913, 28294565]

約数ペア:

[(1, 28294565), (5, 5658913), (13, 2176505), (65, 435301), (71, 398515), (355, 79703), (923, 30655), (4615, 6131)]