221129996

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 390486096

約数和(自身を除く): 169356100

約数列:

[1, 2, 4, 251, 257, 502, 514, 857, 1004, 1028, 1714, 3428, 64507, 129014, 215107, 220249, 258028, 430214, 440498, 860428, 880996, 55282499, 110564998, 221129996]

約数ペア:

[(1, 221129996), (2, 110564998), (4, 55282499), (251, 880996), (257, 860428), (502, 440498), (514, 430214), (857, 258028), (1004, 220249), (1028, 215107), (1714, 129014), (3428, 64507)]