71390015

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 87337440

約数和(自身を除く): 15947425

約数列:

[1, 5, 89, 137, 445, 685, 1171, 5855, 12193, 60965, 104219, 160427, 521095, 802135, 14278003, 71390015]

約数ペア:

[(1, 71390015), (5, 14278003), (89, 802135), (137, 521095), (445, 160427), (685, 104219), (1171, 60965), (5855, 12193)]