164870384

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 375595008

約数和(自身を除く): 210724624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 127, 134, 173, 254, 268, 346, 469, 508, 536, 692, 889, 938, 1016, 1072, 1211, 1384, 1778, 1876, 2032, 2422, 2768, 3556, 3752, 4844, 7112, 7504, 8509, 9688, 11591, 14224, 17018, 19376, 21971, 23182, 34036, 43942, 46364, 59563, 68072, 81137, 87884, 92728, 119126, 136144, 153797, 162274, 175768, 185456, 238252, 307594, 324548, 351536, 476504, 615188, 649096, 953008, 1230376, 1298192, 1472057, 2460752, 2944114, 5888228, 10304399, 11776456, 20608798, 23552912, 41217596, 82435192, 164870384]

約数ペア:

[(1, 164870384), (2, 82435192), (4, 41217596), (7, 23552912), (8, 20608798), (14, 11776456), (16, 10304399), (28, 5888228), (56, 2944114), (67, 2460752), (112, 1472057), (127, 1298192), (134, 1230376), (173, 953008), (254, 649096), (268, 615188), (346, 476504), (469, 351536), (508, 324548), (536, 307594), (692, 238252), (889, 185456), (938, 175768), (1016, 162274), (1072, 153797), (1211, 136144), (1384, 119126), (1778, 92728), (1876, 87884), (2032, 81137), (2422, 68072), (2768, 59563), (3556, 46364), (3752, 43942), (4844, 34036), (7112, 23182), (7504, 21971), (8509, 19376), (9688, 17018), (11591, 14224)]