128516456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{36761}}^1$

素因数の和:36809

約数の個数: 32

約数和(自身を含む): 264686400

約数和(自身を除く): 136169944

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 36761, 73522, 147044, 294088, 698459, 845503, 1396918, 1691006, 2793836, 3382012, 5587672, 6764024, 16064557, 32129114, 64258228, 128516456]

約数ペア:

[(1, 128516456), (2, 64258228), (4, 32129114), (8, 16064557), (19, 6764024), (23, 5587672), (38, 3382012), (46, 2793836), (76, 1691006), (92, 1396918), (152, 845503), (184, 698459), (437, 294088), (874, 147044), (1748, 73522), (3496, 36761)]