51628928

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 123379200

約数和(自身を除く): 71750272

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 32, 38, 46, 52, 64, 71, 76, 92, 104, 128, 142, 152, 184, 208, 247, 284, 299, 304, 368, 416, 437, 494, 568, 598, 608, 736, 832, 874, 923, 988, 1136, 1196, 1216, 1349, 1472, 1633, 1664, 1748, 1846, 1976, 2272, 2392, 2432, 2698, 2944, 3266, 3496, 3692, 3952, 4544, 4784, 5396, 5681, 6532, 6992, 7384, 7904, 9088, 9568, 10792, 11362, 13064, 13984, 14768, 15808, 17537, 19136, 21229, 21584, 22724, 26128, 27968, 29536, 31027, 31616, 35074, 38272, 42458, 43168, 45448, 52256, 55936, 59072, 62054, 70148, 84916, 86336, 90896, 104512, 118144, 124108, 140296, 169832, 172672, 181792, 209024, 248216, 280592, 339664, 363584, 403351, 496432, 561184, 679328, 727168, 806702, 992864, 1122368, 1358656, 1613404, 1985728, 2244736, 2717312, 3226808, 3971456, 6453616, 12907232, 25814464, 51628928]

約数ペア:

[(1, 51628928), (2, 25814464), (4, 12907232), (8, 6453616), (13, 3971456), (16, 3226808), (19, 2717312), (23, 2244736), (26, 1985728), (32, 1613404), (38, 1358656), (46, 1122368), (52, 992864), (64, 806702), (71, 727168), (76, 679328), (92, 561184), (104, 496432), (128, 403351), (142, 363584), (152, 339664), (184, 280592), (208, 248216), (247, 209024), (284, 181792), (299, 172672), (304, 169832), (368, 140296), (416, 124108), (437, 118144), (494, 104512), (568, 90896), (598, 86336), (608, 84916), (736, 70148), (832, 62054), (874, 59072), (923, 55936), (988, 52256), (1136, 45448), (1196, 43168), (1216, 42458), (1349, 38272), (1472, 35074), (1633, 31616), (1664, 31027), (1748, 29536), (1846, 27968), (1976, 26128), (2272, 22724), (2392, 21584), (2432, 21229), (2698, 19136), (2944, 17537), (3266, 15808), (3496, 14768), (3692, 13984), (3952, 13064), (4544, 11362), (4784, 10792), (5396, 9568), (5681, 9088), (6532, 7904), (6992, 7384)]