251149808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{953}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 602836416

約数和(自身を除く): 351686608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 208, 362, 364, 724, 728, 953, 1267, 1448, 1456, 1906, 2353, 2534, 2896, 3812, 4706, 5068, 6671, 7624, 9412, 10136, 12389, 13342, 15248, 16471, 18824, 20272, 24778, 26684, 32942, 37648, 49556, 53368, 65884, 86723, 99112, 106736, 131768, 172493, 173446, 198224, 263536, 344986, 346892, 689972, 693784, 1207451, 1379944, 1387568, 2242409, 2414902, 2759888, 4484818, 4829804, 8969636, 9659608, 15696863, 17939272, 19319216, 31393726, 35878544, 62787452, 125574904, 251149808]

約数ペア:

[(1, 251149808), (2, 125574904), (4, 62787452), (7, 35878544), (8, 31393726), (13, 19319216), (14, 17939272), (16, 15696863), (26, 9659608), (28, 8969636), (52, 4829804), (56, 4484818), (91, 2759888), (104, 2414902), (112, 2242409), (181, 1387568), (182, 1379944), (208, 1207451), (362, 693784), (364, 689972), (724, 346892), (728, 344986), (953, 263536), (1267, 198224), (1448, 173446), (1456, 172493), (1906, 131768), (2353, 106736), (2534, 99112), (2896, 86723), (3812, 65884), (4706, 53368), (5068, 49556), (6671, 37648), (7624, 32942), (9412, 26684), (10136, 24778), (12389, 20272), (13342, 18824), (15248, 16471)]