208395408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 582073856

約数和(自身を除く): 373678448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 337, 624, 674, 991, 1011, 1348, 1982, 2022, 2696, 2973, 3964, 4044, 4381, 5392, 5946, 7928, 8088, 8762, 11892, 12883, 13143, 15856, 16176, 17524, 23784, 25766, 26286, 35048, 38649, 47568, 51532, 52572, 70096, 77298, 103064, 105144, 154596, 206128, 210288, 309192, 333967, 618384, 667934, 1001901, 1335868, 2003802, 2671736, 4007604, 4341571, 5343472, 8015208, 8683142, 13024713, 16030416, 17366284, 26049426, 34732568, 52098852, 69465136, 104197704, 208395408]

約数ペア:

[(1, 208395408), (2, 104197704), (3, 69465136), (4, 52098852), (6, 34732568), (8, 26049426), (12, 17366284), (13, 16030416), (16, 13024713), (24, 8683142), (26, 8015208), (39, 5343472), (48, 4341571), (52, 4007604), (78, 2671736), (104, 2003802), (156, 1335868), (208, 1001901), (312, 667934), (337, 618384), (624, 333967), (674, 309192), (991, 210288), (1011, 206128), (1348, 154596), (1982, 105144), (2022, 103064), (2696, 77298), (2973, 70096), (3964, 52572), (4044, 51532), (4381, 47568), (5392, 38649), (5946, 35048), (7928, 26286), (8088, 25766), (8762, 23784), (11892, 17524), (12883, 16176), (13143, 15856)]