201978396

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{130477}}^1$

素因数の和:130530

約数の個数: 36

約数和(自身を含む): 522433912

約数和(自身を除く): 320455516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 130477, 260954, 391431, 521908, 782862, 1174293, 1565724, 2348586, 4697172, 5610511, 11221022, 16831533, 22442044, 33663066, 50494599, 67326132, 100989198, 201978396]

約数ペア:

[(1, 201978396), (2, 100989198), (3, 67326132), (4, 50494599), (6, 33663066), (9, 22442044), (12, 16831533), (18, 11221022), (36, 5610511), (43, 4697172), (86, 2348586), (129, 1565724), (172, 1174293), (258, 782862), (387, 521908), (516, 391431), (774, 260954), (1548, 130477)]