31002004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 61669440

約数和(自身を除く): 30667436

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 137, 139, 148, 274, 278, 407, 548, 556, 814, 1507, 1529, 1628, 3014, 3058, 5069, 5143, 6028, 6116, 10138, 10286, 19043, 20276, 20572, 38086, 55759, 56573, 76172, 111518, 113146, 209473, 223036, 226292, 418946, 704591, 837892, 1409182, 2818364, 7750501, 15501002, 31002004]

約数ペア:

[(1, 31002004), (2, 15501002), (4, 7750501), (11, 2818364), (22, 1409182), (37, 837892), (44, 704591), (74, 418946), (137, 226292), (139, 223036), (148, 209473), (274, 113146), (278, 111518), (407, 76172), (548, 56573), (556, 55759), (814, 38086), (1507, 20572), (1529, 20276), (1628, 19043), (3014, 10286), (3058, 10138), (5069, 6116), (5143, 6028)]