39249712

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 78811920

約数和(自身を除く): 39562208

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 641, 688, 712, 1282, 1424, 2564, 3827, 5128, 7654, 10256, 15308, 27563, 30616, 55126, 57049, 61232, 110252, 114098, 220504, 228196, 441008, 456392, 912784, 2453107, 4906214, 9812428, 19624856, 39249712]

約数ペア:

[(1, 39249712), (2, 19624856), (4, 9812428), (8, 4906214), (16, 2453107), (43, 912784), (86, 456392), (89, 441008), (172, 228196), (178, 220504), (344, 114098), (356, 110252), (641, 61232), (688, 57049), (712, 55126), (1282, 30616), (1424, 27563), (2564, 15308), (3827, 10256), (5128, 7654)]