28865408

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 71971200

約数和(自身を除く): 43105792

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 76, 83, 88, 104, 128, 143, 152, 166, 176, 208, 209, 247, 286, 304, 332, 352, 416, 418, 494, 572, 608, 664, 704, 832, 836, 913, 988, 1079, 1144, 1216, 1328, 1408, 1577, 1664, 1672, 1826, 1976, 2158, 2288, 2432, 2656, 2717, 3154, 3344, 3652, 3952, 4316, 4576, 5312, 5434, 6308, 6688, 7304, 7904, 8632, 9152, 10624, 10868, 11869, 12616, 13376, 14608, 15808, 17264, 17347, 18304, 20501, 21736, 23738, 25232, 26752, 29216, 31616, 34528, 34694, 41002, 43472, 47476, 50464, 58432, 69056, 69388, 82004, 86944, 94952, 100928, 116864, 138112, 138776, 164008, 173888, 189904, 201856, 225511, 277552, 328016, 347776, 379808, 451022, 555104, 656032, 759616, 902044, 1110208, 1312064, 1519232, 1804088, 2220416, 2624128, 3608176, 7216352, 14432704, 28865408]

約数ペア:

[(1, 28865408), (2, 14432704), (4, 7216352), (8, 3608176), (11, 2624128), (13, 2220416), (16, 1804088), (19, 1519232), (22, 1312064), (26, 1110208), (32, 902044), (38, 759616), (44, 656032), (52, 555104), (64, 451022), (76, 379808), (83, 347776), (88, 328016), (104, 277552), (128, 225511), (143, 201856), (152, 189904), (166, 173888), (176, 164008), (208, 138776), (209, 138112), (247, 116864), (286, 100928), (304, 94952), (332, 86944), (352, 82004), (416, 69388), (418, 69056), (494, 58432), (572, 50464), (608, 47476), (664, 43472), (704, 41002), (832, 34694), (836, 34528), (913, 31616), (988, 29216), (1079, 26752), (1144, 25232), (1216, 23738), (1328, 21736), (1408, 20501), (1577, 18304), (1664, 17347), (1672, 17264), (1826, 15808), (1976, 14608), (2158, 13376), (2288, 12616), (2432, 11869), (2656, 10868), (2717, 10624), (3154, 9152), (3344, 8632), (3652, 7904), (3952, 7304), (4316, 6688), (4576, 6308), (5312, 5434)]