338390528

素因数分解:

$2^9\times 7^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 80

約数和(自身を含む): 777807360

約数和(自身を除く): 439416832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 263, 359, 448, 512, 526, 718, 896, 1052, 1436, 1792, 1841, 2104, 2513, 2872, 3584, 3682, 4208, 5026, 5744, 7364, 8416, 10052, 11488, 14728, 16832, 20104, 22976, 29456, 33664, 40208, 45952, 58912, 67328, 80416, 91904, 94417, 117824, 134656, 160832, 183808, 188834, 235648, 321664, 377668, 471296, 643328, 660919, 755336, 942592, 1286656, 1321838, 1510672, 2643676, 3021344, 5287352, 6042688, 10574704, 12085376, 21149408, 24170752, 42298816, 48341504, 84597632, 169195264, 338390528]

約数ペア:

[(1, 338390528), (2, 169195264), (4, 84597632), (7, 48341504), (8, 42298816), (14, 24170752), (16, 21149408), (28, 12085376), (32, 10574704), (56, 6042688), (64, 5287352), (112, 3021344), (128, 2643676), (224, 1510672), (256, 1321838), (263, 1286656), (359, 942592), (448, 755336), (512, 660919), (526, 643328), (718, 471296), (896, 377668), (1052, 321664), (1436, 235648), (1792, 188834), (1841, 183808), (2104, 160832), (2513, 134656), (2872, 117824), (3584, 94417), (3682, 91904), (4208, 80416), (5026, 67328), (5744, 58912), (7364, 45952), (8416, 40208), (10052, 33664), (11488, 29456), (14728, 22976), (16832, 20104)]