31991344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 80709120

約数和(自身を除く): 48717776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 1012, 1129, 1232, 1288, 1771, 2024, 2258, 2576, 3542, 4048, 4516, 7084, 7903, 9032, 12419, 14168, 15806, 18064, 24838, 25967, 28336, 31612, 49676, 51934, 63224, 86933, 99352, 103868, 126448, 173866, 181769, 198704, 207736, 285637, 347732, 363538, 415472, 571274, 695464, 727076, 1142548, 1390928, 1454152, 1999459, 2285096, 2908304, 3998918, 4570192, 7997836, 15995672, 31991344]

約数ペア:

[(1, 31991344), (2, 15995672), (4, 7997836), (7, 4570192), (8, 3998918), (11, 2908304), (14, 2285096), (16, 1999459), (22, 1454152), (23, 1390928), (28, 1142548), (44, 727076), (46, 695464), (56, 571274), (77, 415472), (88, 363538), (92, 347732), (112, 285637), (154, 207736), (161, 198704), (176, 181769), (184, 173866), (253, 126448), (308, 103868), (322, 99352), (368, 86933), (506, 63224), (616, 51934), (644, 49676), (1012, 31612), (1129, 28336), (1232, 25967), (1288, 24838), (1771, 18064), (2024, 15806), (2258, 14168), (2576, 12419), (3542, 9032), (4048, 7903), (4516, 7084)]