71100328

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 147834720

約数和(自身を除く): 76734392

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1223, 1352, 2236, 2446, 4472, 4892, 7267, 9784, 14534, 15899, 29068, 31798, 52589, 58136, 63596, 105178, 127192, 206687, 210356, 413374, 420712, 683657, 826748, 1367314, 1653496, 2734628, 5469256, 8887541, 17775082, 35550164, 71100328]

約数ペア:

[(1, 71100328), (2, 35550164), (4, 17775082), (8, 8887541), (13, 5469256), (26, 2734628), (43, 1653496), (52, 1367314), (86, 826748), (104, 683657), (169, 420712), (172, 413374), (338, 210356), (344, 206687), (559, 127192), (676, 105178), (1118, 63596), (1223, 58136), (1352, 52589), (2236, 31798), (2446, 29068), (4472, 15899), (4892, 14534), (7267, 9784)]