201120128

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{142841}}^1$

素因数の和:142866

約数の個数: 32

約数和(自身を含む): 437096520

約数和(自身を除く): 235976392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 142841, 285682, 571364, 1142728, 1571251, 2285456, 3142502, 4570912, 6285004, 9141824, 12570008, 18283648, 25140016, 50280032, 100560064, 201120128]

約数ペア:

[(1, 201120128), (2, 100560064), (4, 50280032), (8, 25140016), (11, 18283648), (16, 12570008), (22, 9141824), (32, 6285004), (44, 4570912), (64, 3142502), (88, 2285456), (128, 1571251), (176, 1142728), (352, 571364), (704, 285682), (1408, 142841)]