28951985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1237}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 36129792

約数和(自身を除く): 7177807

約数列:

[1, 5, 31, 151, 155, 755, 1237, 4681, 6185, 23405, 38347, 186787, 191735, 933935, 5790397, 28951985]

約数ペア:

[(1, 28951985), (5, 5790397), (31, 933935), (151, 191735), (155, 186787), (755, 38347), (1237, 23405), (4681, 6185)]