17855222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 35341056

約数和(自身を除く): 17485834

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 71, 77, 142, 154, 161, 253, 322, 497, 506, 781, 994, 1562, 1633, 1771, 3266, 3542, 5041, 5467, 10082, 10934, 11431, 17963, 22862, 35287, 35926, 55451, 70574, 110902, 115943, 125741, 231886, 251482, 388157, 776314, 811601, 1275373, 1623202, 2550746, 8927611, 17855222]

約数ペア:

[(1, 17855222), (2, 8927611), (7, 2550746), (11, 1623202), (14, 1275373), (22, 811601), (23, 776314), (46, 388157), (71, 251482), (77, 231886), (142, 125741), (154, 115943), (161, 110902), (253, 70574), (322, 55451), (497, 35926), (506, 35287), (781, 22862), (994, 17963), (1562, 11431), (1633, 10934), (1771, 10082), (3266, 5467), (3542, 5041)]