81396608

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{33469}}^1$

素因数の和:33502

約数の個数: 32

約数和(自身を含む): 170697000

約数和(自身を除く): 89300392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 33469, 66938, 133876, 267752, 535504, 635911, 1071008, 1271822, 2142016, 2543644, 4284032, 5087288, 10174576, 20349152, 40698304, 81396608]

約数ペア:

[(1, 81396608), (2, 40698304), (4, 20349152), (8, 10174576), (16, 5087288), (19, 4284032), (32, 2543644), (38, 2142016), (64, 1271822), (76, 1071008), (128, 635911), (152, 535504), (304, 267752), (608, 133876), (1216, 66938), (2432, 33469)]