1640921188

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1279}}^1\times {\mathrm{7823}}^1$

素因数の和:9147

約数の個数: 24

約数和(自身を含む): 2944327680

約数和(自身を除く): 1303406492

約数列:

[1, 2, 4, 41, 82, 164, 1279, 2558, 5116, 7823, 15646, 31292, 52439, 104878, 209756, 320743, 641486, 1282972, 10005617, 20011234, 40022468, 410230297, 820460594, 1640921188]

約数ペア:

[(1, 1640921188), (2, 820460594), (4, 410230297), (41, 40022468), (82, 20011234), (164, 10005617), (1279, 1282972), (2558, 641486), (5116, 320743), (7823, 209756), (15646, 104878), (31292, 52439)]