131401928

素因数分解:

$2^3\times 7^4\times {\mathrm{6841}}^1$

素因数の和:6875

約数の個数: 40

約数和(自身を含む): 287466630

約数和(自身を除く): 156064702

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 6841, 9604, 13682, 19208, 27364, 47887, 54728, 95774, 191548, 335209, 383096, 670418, 1340836, 2346463, 2681672, 4692926, 9385852, 16425241, 18771704, 32850482, 65700964, 131401928]

約数ペア:

[(1, 131401928), (2, 65700964), (4, 32850482), (7, 18771704), (8, 16425241), (14, 9385852), (28, 4692926), (49, 2681672), (56, 2346463), (98, 1340836), (196, 670418), (343, 383096), (392, 335209), (686, 191548), (1372, 95774), (2401, 54728), (2744, 47887), (4802, 27364), (6841, 19208), (9604, 13682)]