81880496719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{2789}}^1\times {\mathrm{246709}}^1$

素因数の和:249522

約数の個数: 16

約数和(自身を含む): 99118209600

約数和(自身を除く): 17237712881

約数列:

[1, 7, 17, 119, 2789, 19523, 47413, 246709, 331891, 1726963, 4194053, 29358371, 688071401, 4816499807, 11697213817, 81880496719]

約数ペア:

[(1, 81880496719), (7, 11697213817), (17, 4816499807), (119, 688071401), (2789, 29358371), (19523, 4194053), (47413, 1726963), (246709, 331891)]