128523724

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{8677}}^1$

素因数の和:8734

約数の個数: 36

約数和(自身を含む): 268740304

約数和(自身を除く): 140216580

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 2116, 3703, 7406, 8677, 14812, 17354, 34708, 60739, 121478, 199571, 242956, 399142, 798284, 1396997, 2793994, 4590133, 5587988, 9180266, 18360532, 32130931, 64261862, 128523724]

約数ペア:

[(1, 128523724), (2, 64261862), (4, 32130931), (7, 18360532), (14, 9180266), (23, 5587988), (28, 4590133), (46, 2793994), (92, 1396997), (161, 798284), (322, 399142), (529, 242956), (644, 199571), (1058, 121478), (2116, 60739), (3703, 34708), (7406, 17354), (8677, 14812)]