303158128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{208213}}^1$

素因数の和:208241

約数の個数: 40

約数和(自身を含む): 722919008

約数和(自身を除く): 419760880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 208213, 416426, 832852, 1457491, 1665704, 2706769, 2914982, 3331408, 5413538, 5829964, 10827076, 11659928, 18947383, 21654152, 23319856, 37894766, 43308304, 75789532, 151579064, 303158128]

約数ペア:

[(1, 303158128), (2, 151579064), (4, 75789532), (7, 43308304), (8, 37894766), (13, 23319856), (14, 21654152), (16, 18947383), (26, 11659928), (28, 10827076), (52, 5829964), (56, 5413538), (91, 3331408), (104, 2914982), (112, 2706769), (182, 1665704), (208, 1457491), (364, 832852), (728, 416426), (1456, 208213)]