138897505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{24781}}^1$

素因数の和:24864

約数の個数: 16

約数和(自身を含む): 178430400

約数和(自身を除く): 39532895

約数列:

[1, 5, 19, 59, 95, 295, 1121, 5605, 24781, 123905, 470839, 1462079, 2354195, 7310395, 27779501, 138897505]

約数ペア:

[(1, 138897505), (5, 27779501), (19, 7310395), (59, 2354195), (95, 1462079), (295, 470839), (1121, 123905), (5605, 24781)]