158311531

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 197451648

約数和(自身を除く): 39140117

約数列:

[1, 7, 17, 61, 113, 119, 193, 427, 791, 1037, 1351, 1921, 3281, 6893, 7259, 11773, 13447, 21809, 22967, 48251, 82411, 117181, 152663, 200141, 370753, 820267, 1330349, 1400987, 2595271, 9312443, 22615933, 158311531]

約数ペア:

[(1, 158311531), (7, 22615933), (17, 9312443), (61, 2595271), (113, 1400987), (119, 1330349), (193, 820267), (427, 370753), (791, 200141), (1037, 152663), (1351, 117181), (1921, 82411), (3281, 48251), (6893, 22967), (7259, 21809), (11773, 13447)]