1297699312

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{891277}}^1$

素因数の和:891305

約数の個数: 40

約数和(自身を含む): 3094517216

約数和(自身を除く): 1796817904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 891277, 1782554, 3565108, 6238939, 7130216, 11586601, 12477878, 14260432, 23173202, 24955756, 46346404, 49911512, 81106207, 92692808, 99823024, 162212414, 185385616, 324424828, 648849656, 1297699312]

約数ペア:

[(1, 1297699312), (2, 648849656), (4, 324424828), (7, 185385616), (8, 162212414), (13, 99823024), (14, 92692808), (16, 81106207), (26, 49911512), (28, 46346404), (52, 24955756), (56, 23173202), (91, 14260432), (104, 12477878), (112, 11586601), (182, 7130216), (208, 6238939), (364, 3565108), (728, 1782554), (1456, 891277)]