81425792

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4823

約数の個数: 64

約数和(自身を含む): 195187200

約数和(自身を除く): 113761408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 2128, 2432, 4256, 4783, 8512, 9566, 17024, 19132, 33481, 38264, 66962, 76528, 90877, 133924, 153056, 181754, 267848, 306112, 363508, 535696, 612224, 636139, 727016, 1071392, 1272278, 1454032, 2142784, 2544556, 2908064, 4285568, 5089112, 5816128, 10178224, 11632256, 20356448, 40712896, 81425792]

約数ペア:

[(1, 81425792), (2, 40712896), (4, 20356448), (7, 11632256), (8, 10178224), (14, 5816128), (16, 5089112), (19, 4285568), (28, 2908064), (32, 2544556), (38, 2142784), (56, 1454032), (64, 1272278), (76, 1071392), (112, 727016), (128, 636139), (133, 612224), (152, 535696), (224, 363508), (266, 306112), (304, 267848), (448, 181754), (532, 153056), (608, 133924), (896, 90877), (1064, 76528), (1216, 66962), (2128, 38264), (2432, 33481), (4256, 19132), (4783, 17024), (8512, 9566)]