247658768

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{116381}}^1$

素因数の和:116415

約数の個数: 40

約数和(自身を含む): 577254720

約数和(自身を除く): 329595952

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 116381, 232762, 465524, 814667, 931048, 1629334, 1862096, 2211239, 3258668, 4422478, 6517336, 8844956, 13034672, 15478673, 17689912, 30957346, 35379824, 61914692, 123829384, 247658768]

約数ペア:

[(1, 247658768), (2, 123829384), (4, 61914692), (7, 35379824), (8, 30957346), (14, 17689912), (16, 15478673), (19, 13034672), (28, 8844956), (38, 6517336), (56, 4422478), (76, 3258668), (112, 2211239), (133, 1862096), (152, 1629334), (266, 931048), (304, 814667), (532, 465524), (1064, 232762), (2128, 116381)]