648763664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{52051}}^1$

素因数の和:52119

約数の個数: 40

約数和(自身を含む): 1355434080

約数和(自身を除く): 706670416

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 52051, 104102, 208204, 416408, 832816, 988969, 1977938, 2134091, 3955876, 4268182, 7911752, 8536364, 15823504, 17072728, 34145456, 40547729, 81095458, 162190916, 324381832, 648763664]

約数ペア:

[(1, 648763664), (2, 324381832), (4, 162190916), (8, 81095458), (16, 40547729), (19, 34145456), (38, 17072728), (41, 15823504), (76, 8536364), (82, 7911752), (152, 4268182), (164, 3955876), (304, 2134091), (328, 1977938), (656, 988969), (779, 832816), (1558, 416408), (3116, 208204), (6232, 104102), (12464, 52051)]