1220806412

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1406459}}^1$

素因数の和:1406501

約数の個数: 24

約数和(自身を含む): 2520376320

約数和(自身を除く): 1299569908

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1406459, 2812918, 5625836, 9845213, 19690426, 39380852, 43600229, 87200458, 174400916, 305201603, 610403206, 1220806412]

約数ペア:

[(1, 1220806412), (2, 610403206), (4, 305201603), (7, 174400916), (14, 87200458), (28, 43600229), (31, 39380852), (62, 19690426), (124, 9845213), (217, 5625836), (434, 2812918), (868, 1406459)]