71947148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 166333440

約数和(自身を除く): 94386292

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 101, 103, 133, 182, 202, 206, 247, 266, 364, 404, 412, 494, 532, 707, 721, 988, 1313, 1339, 1414, 1442, 1729, 1919, 1957, 2626, 2678, 2828, 2884, 3458, 3838, 3914, 5252, 5356, 6916, 7676, 7828, 9191, 9373, 10403, 13433, 13699, 18382, 18746, 20806, 24947, 25441, 26866, 27398, 36764, 37492, 41612, 49894, 50882, 53732, 54796, 72821, 99788, 101764, 135239, 145642, 174629, 178087, 197657, 270478, 291284, 349258, 356174, 395314, 540956, 698516, 712348, 790628, 946673, 1383599, 1893346, 2569541, 2767198, 3786692, 5139082, 5534396, 10278164, 17986787, 35973574, 71947148]

約数ペア:

[(1, 71947148), (2, 35973574), (4, 17986787), (7, 10278164), (13, 5534396), (14, 5139082), (19, 3786692), (26, 2767198), (28, 2569541), (38, 1893346), (52, 1383599), (76, 946673), (91, 790628), (101, 712348), (103, 698516), (133, 540956), (182, 395314), (202, 356174), (206, 349258), (247, 291284), (266, 270478), (364, 197657), (404, 178087), (412, 174629), (494, 145642), (532, 135239), (707, 101764), (721, 99788), (988, 72821), (1313, 54796), (1339, 53732), (1414, 50882), (1442, 49894), (1729, 41612), (1919, 37492), (1957, 36764), (2626, 27398), (2678, 26866), (2828, 25441), (2884, 24947), (3458, 20806), (3838, 18746), (3914, 18382), (5252, 13699), (5356, 13433), (6916, 10403), (7676, 9373), (7828, 9191)]