291921812

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 72

約数和(自身を含む): 645624000

約数和(自身を除く): 353702188

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 343, 364, 637, 676, 686, 1183, 1259, 1274, 1372, 2366, 2518, 2548, 4459, 4732, 5036, 8281, 8813, 8918, 16367, 16562, 17626, 17836, 32734, 33124, 35252, 57967, 61691, 65468, 114569, 115934, 123382, 212771, 229138, 231868, 246764, 425542, 431837, 458276, 801983, 851084, 863674, 1489397, 1603966, 1727348, 2978794, 3207932, 5613881, 5957588, 10425779, 11227762, 20851558, 22455524, 41703116, 72980453, 145960906, 291921812]

約数ペア:

[(1, 291921812), (2, 145960906), (4, 72980453), (7, 41703116), (13, 22455524), (14, 20851558), (26, 11227762), (28, 10425779), (49, 5957588), (52, 5613881), (91, 3207932), (98, 2978794), (169, 1727348), (182, 1603966), (196, 1489397), (338, 863674), (343, 851084), (364, 801983), (637, 458276), (676, 431837), (686, 425542), (1183, 246764), (1259, 231868), (1274, 229138), (1372, 212771), (2366, 123382), (2518, 115934), (2548, 114569), (4459, 65468), (4732, 61691), (5036, 57967), (8281, 35252), (8813, 33124), (8918, 32734), (16367, 17836), (16562, 17626)]