81523328

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 169040520

約数和(自身を除く): 87517192

約数列:

[1, 2, 4, 8, 16, 32, 53, 61, 64, 106, 122, 128, 197, 212, 244, 394, 424, 488, 788, 848, 976, 1576, 1696, 1952, 3152, 3233, 3392, 3904, 6304, 6466, 6784, 7808, 10441, 12017, 12608, 12932, 20882, 24034, 25216, 25864, 41764, 48068, 51728, 83528, 96136, 103456, 167056, 192272, 206912, 334112, 384544, 413824, 636901, 668224, 769088, 1273802, 1336448, 1538176, 2547604, 5095208, 10190416, 20380832, 40761664, 81523328]

約数ペア:

[(1, 81523328), (2, 40761664), (4, 20380832), (8, 10190416), (16, 5095208), (32, 2547604), (53, 1538176), (61, 1336448), (64, 1273802), (106, 769088), (122, 668224), (128, 636901), (197, 413824), (212, 384544), (244, 334112), (394, 206912), (424, 192272), (488, 167056), (788, 103456), (848, 96136), (976, 83528), (1576, 51728), (1696, 48068), (1952, 41764), (3152, 25864), (3233, 25216), (3392, 24034), (3904, 20882), (6304, 12932), (6466, 12608), (6784, 12017), (7808, 10441)]