208178178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{8527}}^1$

素因数の和:8858

約数の個数: 32

約数和(自身を含む): 449869056

約数和(自身を除く): 241690878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 313, 626, 939, 1878, 4069, 8138, 8527, 12207, 17054, 24414, 25581, 51162, 110851, 221702, 332553, 665106, 2668951, 5337902, 8006853, 16013706, 34696363, 69392726, 104089089, 208178178]

約数ペア:

[(1, 208178178), (2, 104089089), (3, 69392726), (6, 34696363), (13, 16013706), (26, 8006853), (39, 5337902), (78, 2668951), (313, 665106), (626, 332553), (939, 221702), (1878, 110851), (4069, 51162), (8138, 25581), (8527, 24414), (12207, 17054)]