71729606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 119968128

約数和(自身を除く): 48238522

約数列:

[1, 2, 13, 26, 37, 74, 173, 346, 431, 481, 862, 962, 2249, 4498, 5603, 6401, 11206, 12802, 15947, 31894, 74563, 83213, 149126, 166426, 207311, 414622, 969319, 1938638, 2758831, 5517662, 35864803, 71729606]

約数ペア:

[(1, 71729606), (2, 35864803), (13, 5517662), (26, 2758831), (37, 1938638), (74, 969319), (173, 414622), (346, 207311), (431, 166426), (481, 149126), (862, 83213), (962, 74563), (2249, 31894), (4498, 15947), (5603, 12802), (6401, 11206)]