81639488

素因数分解:

$2^6\times 7^3\times {\mathrm{3719}}^1$

素因数の和:3752

約数の個数: 56

約数和(自身を含む): 188976000

約数和(自身を除く): 107336512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 686, 784, 1372, 1568, 2744, 3136, 3719, 5488, 7438, 10976, 14876, 21952, 26033, 29752, 52066, 59504, 104132, 119008, 182231, 208264, 238016, 364462, 416528, 728924, 833056, 1275617, 1457848, 1666112, 2551234, 2915696, 5102468, 5831392, 10204936, 11662784, 20409872, 40819744, 81639488]

約数ペア:

[(1, 81639488), (2, 40819744), (4, 20409872), (7, 11662784), (8, 10204936), (14, 5831392), (16, 5102468), (28, 2915696), (32, 2551234), (49, 1666112), (56, 1457848), (64, 1275617), (98, 833056), (112, 728924), (196, 416528), (224, 364462), (343, 238016), (392, 208264), (448, 182231), (686, 119008), (784, 104132), (1372, 59504), (1568, 52066), (2744, 29752), (3136, 26033), (3719, 21952), (5488, 14876), (7438, 10976)]