158537728

素因数分解:

$2^{11}\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 319410000

約数和(自身を除く): 160872272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 389, 398, 512, 778, 796, 1024, 1556, 1592, 2048, 3112, 3184, 6224, 6368, 12448, 12736, 24896, 25472, 49792, 50944, 77411, 99584, 101888, 154822, 199168, 203776, 309644, 398336, 407552, 619288, 796672, 1238576, 2477152, 4954304, 9908608, 19817216, 39634432, 79268864, 158537728]

約数ペア:

[(1, 158537728), (2, 79268864), (4, 39634432), (8, 19817216), (16, 9908608), (32, 4954304), (64, 2477152), (128, 1238576), (199, 796672), (256, 619288), (389, 407552), (398, 398336), (512, 309644), (778, 203776), (796, 199168), (1024, 154822), (1556, 101888), (1592, 99584), (2048, 77411), (3112, 50944), (3184, 49792), (6224, 25472), (6368, 24896), (12448, 12736)]