639249528

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1\times {\mathrm{1471}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 1685145600

約数和(自身を除く): 1045896072

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 953, 1471, 1906, 2859, 2942, 3812, 4413, 5718, 5884, 7624, 8826, 11436, 11768, 17652, 18107, 22872, 27949, 35304, 36214, 54321, 55898, 72428, 83847, 108642, 111796, 144856, 167694, 217284, 223592, 335388, 434568, 670776, 1401863, 2803726, 4205589, 5607452, 8411178, 11214904, 16822356, 26635397, 33644712, 53270794, 79906191, 106541588, 159812382, 213083176, 319624764, 639249528]

約数ペア:

[(1, 639249528), (2, 319624764), (3, 213083176), (4, 159812382), (6, 106541588), (8, 79906191), (12, 53270794), (19, 33644712), (24, 26635397), (38, 16822356), (57, 11214904), (76, 8411178), (114, 5607452), (152, 4205589), (228, 2803726), (456, 1401863), (953, 670776), (1471, 434568), (1906, 335388), (2859, 223592), (2942, 217284), (3812, 167694), (4413, 144856), (5718, 111796), (5884, 108642), (7624, 83847), (8826, 72428), (11436, 55898), (11768, 54321), (17652, 36214), (18107, 35304), (22872, 27949)]