319486544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 690237072

約数和(自身を除く): 370750528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 73, 104, 106, 146, 208, 212, 292, 397, 424, 584, 689, 794, 848, 949, 1168, 1378, 1588, 1898, 2756, 3176, 3796, 3869, 5161, 5512, 6352, 7592, 7738, 10322, 11024, 15184, 15476, 20644, 21041, 28981, 30952, 41288, 42082, 50297, 57962, 61904, 82576, 84164, 100594, 115924, 168328, 201188, 231848, 273533, 336656, 376753, 402376, 463696, 547066, 753506, 804752, 1094132, 1507012, 1535993, 2188264, 3014024, 3071986, 4376528, 6028048, 6143972, 12287944, 19967909, 24575888, 39935818, 79871636, 159743272, 319486544]

約数ペア:

[(1, 319486544), (2, 159743272), (4, 79871636), (8, 39935818), (13, 24575888), (16, 19967909), (26, 12287944), (52, 6143972), (53, 6028048), (73, 4376528), (104, 3071986), (106, 3014024), (146, 2188264), (208, 1535993), (212, 1507012), (292, 1094132), (397, 804752), (424, 753506), (584, 547066), (689, 463696), (794, 402376), (848, 376753), (949, 336656), (1168, 273533), (1378, 231848), (1588, 201188), (1898, 168328), (2756, 115924), (3176, 100594), (3796, 84164), (3869, 82576), (5161, 61904), (5512, 57962), (6352, 50297), (7592, 42082), (7738, 41288), (10322, 30952), (11024, 28981), (15184, 21041), (15476, 20644)]