1245985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 1668240

約数和(自身を除く): 422255

約数列:

[1, 5, 13, 29, 65, 145, 377, 661, 1885, 3305, 8593, 19169, 42965, 95845, 249197, 1245985]

約数ペア:

[(1, 1245985), (5, 249197), (13, 95845), (29, 42965), (65, 19169), (145, 8593), (377, 3305), (661, 1885)]