127998728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 284497920

約数和(自身を除く): 156499192

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 127, 143, 254, 286, 508, 572, 881, 1016, 1144, 1397, 1651, 1762, 2794, 3302, 3524, 5588, 6604, 7048, 9691, 11176, 11453, 13208, 18161, 19382, 22906, 36322, 38764, 45812, 72644, 77528, 91624, 111887, 125983, 145288, 223774, 251966, 447548, 503932, 895096, 1007864, 1230757, 1454531, 2461514, 2909062, 4923028, 5818124, 9846056, 11636248, 15999841, 31999682, 63999364, 127998728]

約数ペア:

[(1, 127998728), (2, 63999364), (4, 31999682), (8, 15999841), (11, 11636248), (13, 9846056), (22, 5818124), (26, 4923028), (44, 2909062), (52, 2461514), (88, 1454531), (104, 1230757), (127, 1007864), (143, 895096), (254, 503932), (286, 447548), (508, 251966), (572, 223774), (881, 145288), (1016, 125983), (1144, 111887), (1397, 91624), (1651, 77528), (1762, 72644), (2794, 45812), (3302, 38764), (3524, 36322), (5588, 22906), (6604, 19382), (7048, 18161), (9691, 13208), (11176, 11453)]