1028002064

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{490459}}^1$

素因数の和:490598

約数の個数: 20

約数和(自身を含む): 2006962320

約数和(自身を除く): 978960256

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 490459, 980918, 1961836, 3923672, 7847344, 64250129, 128500258, 257000516, 514001032, 1028002064]

約数ペア:

[(1, 1028002064), (2, 514001032), (4, 257000516), (8, 128500258), (16, 64250129), (131, 7847344), (262, 3923672), (524, 1961836), (1048, 980918), (2096, 490459)]