131287772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 306561024

約数和(自身を除く): 175273252

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 43, 44, 46, 77, 86, 92, 154, 161, 172, 253, 301, 308, 322, 431, 473, 506, 602, 644, 862, 946, 989, 1012, 1204, 1724, 1771, 1892, 1978, 3017, 3311, 3542, 3956, 4741, 6034, 6622, 6923, 7084, 9482, 9913, 10879, 12068, 13244, 13846, 18533, 18964, 19826, 21758, 27692, 33187, 37066, 39652, 43516, 66374, 69391, 74132, 76153, 109043, 129731, 132748, 138782, 152306, 203863, 218086, 259462, 277564, 304612, 407726, 426259, 436172, 518924, 763301, 815452, 852518, 1427041, 1526602, 1705036, 2854082, 2983813, 3053204, 4688849, 5708164, 5967626, 9377698, 11935252, 18755396, 32821943, 65643886, 131287772]

約数ペア:

[(1, 131287772), (2, 65643886), (4, 32821943), (7, 18755396), (11, 11935252), (14, 9377698), (22, 5967626), (23, 5708164), (28, 4688849), (43, 3053204), (44, 2983813), (46, 2854082), (77, 1705036), (86, 1526602), (92, 1427041), (154, 852518), (161, 815452), (172, 763301), (253, 518924), (301, 436172), (308, 426259), (322, 407726), (431, 304612), (473, 277564), (506, 259462), (602, 218086), (644, 203863), (862, 152306), (946, 138782), (989, 132748), (1012, 129731), (1204, 109043), (1724, 76153), (1771, 74132), (1892, 69391), (1978, 66374), (3017, 43516), (3311, 39652), (3542, 37066), (3956, 33187), (4741, 27692), (6034, 21758), (6622, 19826), (6923, 18964), (7084, 18533), (9482, 13846), (9913, 13244), (10879, 12068)]