219749178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{77431}}^1$

素因数の和:77490

約数の個数: 32

約数和(自身を含む): 490609152

約数和(自身を除く): 270859974

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 77431, 154862, 232293, 464586, 851741, 1703482, 2555223, 3329533, 5110446, 6659066, 9988599, 19977198, 36624863, 73249726, 109874589, 219749178]

約数ペア:

[(1, 219749178), (2, 109874589), (3, 73249726), (6, 36624863), (11, 19977198), (22, 9988599), (33, 6659066), (43, 5110446), (66, 3329533), (86, 2555223), (129, 1703482), (258, 851741), (473, 464586), (946, 232293), (1419, 154862), (2838, 77431)]