39871.00000000

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 25783920

約数和(自身を除く): 12909208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 691, 1096, 1382, 2329, 2764, 4658, 5528, 9316, 11747, 18632, 23494, 46988, 93976, 94667, 189334, 378668, 757336, 1609339, 3218678, 6437356, 12874712]

約数ペア:

[(1, 12874712), (2, 6437356), (4, 3218678), (8, 1609339), (17, 757336), (34, 378668), (68, 189334), (136, 94667), (137, 93976), (274, 46988), (548, 23494), (691, 18632), (1096, 11747), (1382, 9316), (2329, 5528), (2764, 4658)]