129091472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{24979}}^1$

素因数の和:25023

約数の個数: 40

約数和(自身を含む): 278776800

約数和(自身を除く): 149685328

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 24979, 49958, 99916, 199832, 399664, 424643, 474601, 849286, 949202, 1698572, 1898404, 3397144, 3796808, 6794288, 7593616, 8068217, 16136434, 32272868, 64545736, 129091472]

約数ペア:

[(1, 129091472), (2, 64545736), (4, 32272868), (8, 16136434), (16, 8068217), (17, 7593616), (19, 6794288), (34, 3796808), (38, 3397144), (68, 1898404), (76, 1698572), (136, 949202), (152, 849286), (272, 474601), (304, 424643), (323, 399664), (646, 199832), (1292, 99916), (2584, 49958), (5168, 24979)]