207238928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1360

約数の個数: 80

約数和(自身を含む): 466636800

約数和(自身を除く): 259397872

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 208, 247, 304, 328, 494, 533, 656, 779, 988, 1066, 1279, 1558, 1976, 2132, 2558, 3116, 3952, 4264, 5116, 6232, 8528, 10127, 10232, 12464, 16627, 20254, 20464, 24301, 33254, 40508, 48602, 52439, 66508, 81016, 97204, 104878, 133016, 162032, 194408, 209756, 266032, 315913, 388816, 419512, 631826, 681707, 839024, 996341, 1263652, 1363414, 1992682, 2527304, 2726828, 3985364, 5054608, 5453656, 7970728, 10907312, 12952433, 15941456, 25904866, 51809732, 103619464, 207238928]

約数ペア:

[(1, 207238928), (2, 103619464), (4, 51809732), (8, 25904866), (13, 15941456), (16, 12952433), (19, 10907312), (26, 7970728), (38, 5453656), (41, 5054608), (52, 3985364), (76, 2726828), (82, 2527304), (104, 1992682), (152, 1363414), (164, 1263652), (208, 996341), (247, 839024), (304, 681707), (328, 631826), (494, 419512), (533, 388816), (656, 315913), (779, 266032), (988, 209756), (1066, 194408), (1279, 162032), (1558, 133016), (1976, 104878), (2132, 97204), (2558, 81016), (3116, 66508), (3952, 52439), (4264, 48602), (5116, 40508), (6232, 33254), (8528, 24301), (10127, 20464), (10232, 20254), (12464, 16627)]