646424896

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 1450165248

約数和(自身を除く): 803740352

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 71, 104, 124, 142, 208, 248, 284, 353, 403, 416, 496, 568, 706, 806, 832, 923, 992, 1136, 1412, 1612, 1846, 1984, 2201, 2272, 2824, 3224, 3692, 4402, 4544, 4589, 5648, 6448, 7384, 8804, 9178, 10943, 11296, 12896, 14768, 17608, 18356, 21886, 22592, 25063, 25792, 28613, 29536, 35216, 36712, 43772, 50126, 57226, 59072, 70432, 73424, 87544, 100252, 114452, 140864, 142259, 146848, 175088, 200504, 228904, 284518, 293696, 325819, 350176, 401008, 457808, 569036, 651638, 700352, 776953, 802016, 915616, 1138072, 1303276, 1553906, 1604032, 1831232, 2276144, 2606552, 3107812, 4552288, 5213104, 6215624, 9104576, 10100389, 10426208, 12431248, 20200778, 20852416, 24862496, 40401556, 49724992, 80803112, 161606224, 323212448, 646424896]

約数ペア:

[(1, 646424896), (2, 323212448), (4, 161606224), (8, 80803112), (13, 49724992), (16, 40401556), (26, 24862496), (31, 20852416), (32, 20200778), (52, 12431248), (62, 10426208), (64, 10100389), (71, 9104576), (104, 6215624), (124, 5213104), (142, 4552288), (208, 3107812), (248, 2606552), (284, 2276144), (353, 1831232), (403, 1604032), (416, 1553906), (496, 1303276), (568, 1138072), (706, 915616), (806, 802016), (832, 776953), (923, 700352), (992, 651638), (1136, 569036), (1412, 457808), (1612, 401008), (1846, 350176), (1984, 325819), (2201, 293696), (2272, 284518), (2824, 228904), (3224, 200504), (3692, 175088), (4402, 146848), (4544, 142259), (4589, 140864), (5648, 114452), (6448, 100252), (7384, 87544), (8804, 73424), (9178, 70432), (10943, 59072), (11296, 57226), (12896, 50126), (14768, 43772), (17608, 36712), (18356, 35216), (21886, 29536), (22592, 28613), (25063, 25792)]