16381475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 22498560

約数和(自身を除く): 6117085

約数列:

[1, 5, 11, 25, 55, 71, 275, 355, 781, 839, 1775, 3905, 4195, 9229, 19525, 20975, 46145, 59569, 230725, 297845, 655259, 1489225, 3276295, 16381475]

約数ペア:

[(1, 16381475), (5, 3276295), (11, 1489225), (25, 655259), (55, 297845), (71, 230725), (275, 59569), (355, 46145), (781, 20975), (839, 19525), (1775, 9229), (3905, 4195)]