291310778876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1\times {\mathrm{81281}}^1$

素因数の和:81894

約数の個数: 48

約数和(自身を含む): 553771014720

約数和(自身を除く): 262460235844

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 439, 628, 878, 1756, 2041, 4082, 5707, 8164, 11414, 22828, 68923, 81281, 137846, 162562, 275692, 325124, 895999, 1056653, 1791998, 2113306, 3583996, 4226612, 12761117, 25522234, 35682359, 51044468, 71364718, 142729436, 165894521, 331789042, 463870667, 663578084, 927741334, 1855482668, 5602130363, 11204260726, 22408521452, 72827694719, 145655389438, 291310778876]

約数ペア:

[(1, 291310778876), (2, 145655389438), (4, 72827694719), (13, 22408521452), (26, 11204260726), (52, 5602130363), (157, 1855482668), (314, 927741334), (439, 663578084), (628, 463870667), (878, 331789042), (1756, 165894521), (2041, 142729436), (4082, 71364718), (5707, 51044468), (8164, 35682359), (11414, 25522234), (22828, 12761117), (68923, 4226612), (81281, 3583996), (137846, 2113306), (162562, 1791998), (275692, 1056653), (325124, 895999)]