281023184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 620626944

約数和(自身を除く): 339603760

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 1063, 1066, 1271, 1612, 2126, 2132, 2542, 3224, 4252, 4264, 5084, 6448, 8504, 8528, 10168, 13819, 16523, 17008, 20336, 27638, 32953, 33046, 43583, 55276, 65906, 66092, 87166, 110552, 131812, 132184, 174332, 221104, 263624, 264368, 348664, 428389, 527248, 566579, 697328, 856778, 1133158, 1351073, 1713556, 2266316, 2702146, 3427112, 4532632, 5404292, 6854224, 9065264, 10808584, 17563949, 21617168, 35127898, 70255796, 140511592, 281023184]

約数ペア:

[(1, 281023184), (2, 140511592), (4, 70255796), (8, 35127898), (13, 21617168), (16, 17563949), (26, 10808584), (31, 9065264), (41, 6854224), (52, 5404292), (62, 4532632), (82, 3427112), (104, 2702146), (124, 2266316), (164, 1713556), (208, 1351073), (248, 1133158), (328, 856778), (403, 697328), (496, 566579), (533, 527248), (656, 428389), (806, 348664), (1063, 264368), (1066, 263624), (1271, 221104), (1612, 174332), (2126, 132184), (2132, 131812), (2542, 110552), (3224, 87166), (4252, 66092), (4264, 65906), (5084, 55276), (6448, 43583), (8504, 33046), (8528, 32953), (10168, 27638), (13819, 20336), (16523, 17008)]