31999104

素因数分解:

$2^7\times 3^3\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 96940800

約数和(自身を除く): 64941696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 197, 216, 282, 288, 376, 384, 394, 423, 432, 564, 576, 591, 752, 788, 846, 864, 1128, 1152, 1182, 1269, 1504, 1576, 1692, 1728, 1773, 2256, 2364, 2538, 3008, 3152, 3384, 3456, 3546, 4512, 4728, 5076, 5319, 6016, 6304, 6768, 7092, 9024, 9259, 9456, 10152, 10638, 12608, 13536, 14184, 18048, 18518, 18912, 20304, 21276, 25216, 27072, 27777, 28368, 37036, 37824, 40608, 42552, 54144, 55554, 56736, 74072, 75648, 81216, 83331, 85104, 111108, 113472, 148144, 162432, 166662, 170208, 222216, 226944, 249993, 296288, 333324, 340416, 444432, 499986, 592576, 666648, 680832, 888864, 999972, 1185152, 1333296, 1777728, 1999944, 2666592, 3555456, 3999888, 5333184, 7999776, 10666368, 15999552, 31999104]

約数ペア:

[(1, 31999104), (2, 15999552), (3, 10666368), (4, 7999776), (6, 5333184), (8, 3999888), (9, 3555456), (12, 2666592), (16, 1999944), (18, 1777728), (24, 1333296), (27, 1185152), (32, 999972), (36, 888864), (47, 680832), (48, 666648), (54, 592576), (64, 499986), (72, 444432), (94, 340416), (96, 333324), (108, 296288), (128, 249993), (141, 226944), (144, 222216), (188, 170208), (192, 166662), (197, 162432), (216, 148144), (282, 113472), (288, 111108), (376, 85104), (384, 83331), (394, 81216), (423, 75648), (432, 74072), (564, 56736), (576, 55554), (591, 54144), (752, 42552), (788, 40608), (846, 37824), (864, 37036), (1128, 28368), (1152, 27777), (1182, 27072), (1269, 25216), (1504, 21276), (1576, 20304), (1692, 18912), (1728, 18518), (1773, 18048), (2256, 14184), (2364, 13536), (2538, 12608), (3008, 10638), (3152, 10152), (3384, 9456), (3456, 9259), (3546, 9024), (4512, 7092), (4728, 6768), (5076, 6304), (5319, 6016)]