140864128

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{18041}}^1$

素因数の和:18116

約数の個数: 32

約数和(自身を含む): 285244020

約数和(自身を除く): 144379892

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 18041, 36082, 72164, 144328, 288656, 577312, 1100501, 1154624, 2201002, 2309248, 4402004, 8804008, 17608016, 35216032, 70432064, 140864128]

約数ペア:

[(1, 140864128), (2, 70432064), (4, 35216032), (8, 17608016), (16, 8804008), (32, 4402004), (61, 2309248), (64, 2201002), (122, 1154624), (128, 1100501), (244, 577312), (488, 288656), (976, 144328), (1952, 72164), (3904, 36082), (7808, 18041)]