71665064

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 144412800

約数和(自身を除く): 72747736

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 223, 278, 289, 446, 556, 578, 892, 1112, 1156, 1784, 2312, 2363, 3791, 4726, 7582, 9452, 15164, 18904, 30328, 30997, 40171, 61994, 64447, 80342, 123988, 128894, 160684, 247976, 257788, 321368, 515576, 526949, 1053898, 2107796, 4215592, 8958133, 17916266, 35832532, 71665064]

約数ペア:

[(1, 71665064), (2, 35832532), (4, 17916266), (8, 8958133), (17, 4215592), (34, 2107796), (68, 1053898), (136, 526949), (139, 515576), (223, 321368), (278, 257788), (289, 247976), (446, 160684), (556, 128894), (578, 123988), (892, 80342), (1112, 64447), (1156, 61994), (1784, 40171), (2312, 30997), (2363, 30328), (3791, 18904), (4726, 15164), (7582, 9452)]