39439985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2239}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 51179520

約数和(自身を除く): 11739535

約数列:

[1, 5, 13, 65, 271, 1355, 2239, 3523, 11195, 17615, 29107, 145535, 606769, 3033845, 7887997, 39439985]

約数ペア:

[(1, 39439985), (5, 7887997), (13, 3033845), (65, 606769), (271, 145535), (1355, 29107), (2239, 17615), (3523, 11195)]