1272873889

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1361}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 1570070016

約数和(自身を除く): 297196127

約数列:

[1, 7, 23, 37, 157, 161, 259, 851, 1099, 1361, 3611, 5809, 5957, 9527, 25277, 31303, 40663, 50357, 133607, 213677, 219121, 352499, 935249, 1158211, 1495739, 4914571, 7906049, 8107477, 34401997, 55342343, 181839127, 1272873889]

約数ペア:

[(1, 1272873889), (7, 181839127), (23, 55342343), (37, 34401997), (157, 8107477), (161, 7906049), (259, 4914571), (851, 1495739), (1099, 1158211), (1361, 935249), (3611, 352499), (5809, 219121), (5957, 213677), (9527, 133607), (25277, 50357), (31303, 40663)]