128749984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{733}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 277452000

約数和(自身を除く): 148702016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 499, 733, 998, 1466, 1996, 2932, 3992, 5489, 5864, 7984, 8063, 10978, 11728, 15968, 16126, 21956, 23456, 32252, 43912, 64504, 87824, 129008, 175648, 258016, 365767, 731534, 1463068, 2926136, 4023437, 5852272, 8046874, 11704544, 16093748, 32187496, 64374992, 128749984]

約数ペア:

[(1, 128749984), (2, 64374992), (4, 32187496), (8, 16093748), (11, 11704544), (16, 8046874), (22, 5852272), (32, 4023437), (44, 2926136), (88, 1463068), (176, 731534), (352, 365767), (499, 258016), (733, 175648), (998, 129008), (1466, 87824), (1996, 64504), (2932, 43912), (3992, 32252), (5489, 23456), (5864, 21956), (7984, 16126), (8063, 15968), (10978, 11728)]