1338156928

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 128

約数和(自身を含む): 2996352000

約数和(自身を除く): 1658195072

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 47, 64, 76, 92, 94, 128, 152, 184, 188, 304, 368, 376, 437, 509, 608, 736, 752, 874, 893, 1018, 1081, 1216, 1472, 1504, 1748, 1786, 2036, 2162, 2432, 2944, 3008, 3496, 3572, 4072, 4324, 6016, 6992, 7144, 8144, 8648, 9671, 11707, 13984, 14288, 16288, 17296, 19342, 20539, 23414, 23923, 27968, 28576, 32576, 34592, 38684, 41078, 46828, 47846, 55936, 57152, 65152, 69184, 77368, 82156, 93656, 95692, 114304, 138368, 154736, 164312, 187312, 191384, 222433, 309472, 328624, 374624, 382768, 444866, 454537, 550229, 618944, 657248, 749248, 765536, 889732, 909074, 1100458, 1237888, 1314496, 1498496, 1531072, 1779464, 1818148, 2200916, 2628992, 3062144, 3558928, 3636296, 4401832, 7117856, 7272592, 8803664, 10454351, 14235712, 14545184, 17607328, 20908702, 28471424, 29090368, 35214656, 41817404, 58180736, 70429312, 83634808, 167269616, 334539232, 669078464, 1338156928]

約数ペア:

[(1, 1338156928), (2, 669078464), (4, 334539232), (8, 167269616), (16, 83634808), (19, 70429312), (23, 58180736), (32, 41817404), (38, 35214656), (46, 29090368), (47, 28471424), (64, 20908702), (76, 17607328), (92, 14545184), (94, 14235712), (128, 10454351), (152, 8803664), (184, 7272592), (188, 7117856), (304, 4401832), (368, 3636296), (376, 3558928), (437, 3062144), (509, 2628992), (608, 2200916), (736, 1818148), (752, 1779464), (874, 1531072), (893, 1498496), (1018, 1314496), (1081, 1237888), (1216, 1100458), (1472, 909074), (1504, 889732), (1748, 765536), (1786, 749248), (2036, 657248), (2162, 618944), (2432, 550229), (2944, 454537), (3008, 444866), (3496, 382768), (3572, 374624), (4072, 328624), (4324, 309472), (6016, 222433), (6992, 191384), (7144, 187312), (8144, 164312), (8648, 154736), (9671, 138368), (11707, 114304), (13984, 95692), (14288, 93656), (16288, 82156), (17296, 77368), (19342, 69184), (20539, 65152), (23414, 57152), (23923, 55936), (27968, 47846), (28576, 46828), (32576, 41078), (34592, 38684)]