209919636

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{135607}}^1$

素因数の和:135660

約数の個数: 36

約数和(自身を含む): 542974432

約数和(自身を除く): 333054796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 135607, 271214, 406821, 542428, 813642, 1220463, 1627284, 2440926, 4881852, 5831101, 11662202, 17493303, 23324404, 34986606, 52479909, 69973212, 104959818, 209919636]

約数ペア:

[(1, 209919636), (2, 104959818), (3, 69973212), (4, 52479909), (6, 34986606), (9, 23324404), (12, 17493303), (18, 11662202), (36, 5831101), (43, 4881852), (86, 2440926), (129, 1627284), (172, 1220463), (258, 813642), (387, 542428), (516, 406821), (774, 271214), (1548, 135607)]