51217816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 106527960

約数和(自身を除く): 55310144

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 881, 1118, 1352, 1762, 2236, 3524, 4472, 7048, 7267, 11453, 14534, 22906, 29068, 37883, 45812, 58136, 75766, 91624, 148889, 151532, 297778, 303064, 492479, 595556, 984958, 1191112, 1969916, 3939832, 6402227, 12804454, 25608908, 51217816]

約数ペア:

[(1, 51217816), (2, 25608908), (4, 12804454), (8, 6402227), (13, 3939832), (26, 1969916), (43, 1191112), (52, 984958), (86, 595556), (104, 492479), (169, 303064), (172, 297778), (338, 151532), (344, 148889), (559, 91624), (676, 75766), (881, 58136), (1118, 45812), (1352, 37883), (1762, 29068), (2236, 22906), (3524, 14534), (4472, 11453), (7048, 7267)]