218681816

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{1627}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 419340240

約数和(自身を除く): 200658424

約数列:

[1, 2, 4, 8, 53, 106, 212, 317, 424, 634, 1268, 1627, 2536, 3254, 6508, 13016, 16801, 33602, 67204, 86231, 134408, 172462, 344924, 515759, 689848, 1031518, 2063036, 4126072, 27335227, 54670454, 109340908, 218681816]

約数ペア:

[(1, 218681816), (2, 109340908), (4, 54670454), (8, 27335227), (53, 4126072), (106, 2063036), (212, 1031518), (317, 689848), (424, 515759), (634, 344924), (1268, 172462), (1627, 134408), (2536, 86231), (3254, 67204), (6508, 33602), (13016, 16801)]