821497156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{5009129}}^1$

素因数の和:5009174

約数の個数: 12

約数和(自身を含む): 1472684220

約数和(自身を除く): 651187064

約数列:

[1, 2, 4, 41, 82, 164, 5009129, 10018258, 20036516, 205374289, 410748578, 821497156]

約数ペア:

[(1, 821497156), (2, 410748578), (4, 205374289), (41, 20036516), (82, 10018258), (164, 5009129)]