1397702128

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{683}}^1\times {\mathrm{1619}}^1$

素因数の和:2389

約数の個数: 40

約数和(自身を含む): 2748038400

約数和(自身を除く): 1350336272

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 683, 1264, 1366, 1619, 2732, 3238, 5464, 6476, 10928, 12952, 25904, 53957, 107914, 127901, 215828, 255802, 431656, 511604, 863312, 1023208, 1105777, 2046416, 2211554, 4423108, 8846216, 17692432, 87356383, 174712766, 349425532, 698851064, 1397702128]

約数ペア:

[(1, 1397702128), (2, 698851064), (4, 349425532), (8, 174712766), (16, 87356383), (79, 17692432), (158, 8846216), (316, 4423108), (632, 2211554), (683, 2046416), (1264, 1105777), (1366, 1023208), (1619, 863312), (2732, 511604), (3238, 431656), (5464, 255802), (6476, 215828), (10928, 127901), (12952, 107914), (25904, 53957)]