400899208

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{3767}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 769124160

約数和(自身を除く): 368224952

約数列:

[1, 2, 4, 8, 53, 106, 212, 251, 424, 502, 1004, 2008, 3767, 7534, 13303, 15068, 26606, 30136, 53212, 106424, 199651, 399302, 798604, 945517, 1597208, 1891034, 3782068, 7564136, 50112401, 100224802, 200449604, 400899208]

約数ペア:

[(1, 400899208), (2, 200449604), (4, 100224802), (8, 50112401), (53, 7564136), (106, 3782068), (212, 1891034), (251, 1597208), (424, 945517), (502, 798604), (1004, 399302), (2008, 199651), (3767, 106424), (7534, 53212), (13303, 30136), (15068, 26606)]