280188

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 728728

約数和(自身を除く): 448540

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 181, 258, 362, 387, 516, 543, 724, 774, 1086, 1548, 1629, 2172, 3258, 6516, 7783, 15566, 23349, 31132, 46698, 70047, 93396, 140094, 280188]

約数ペア:

[(1, 280188), (2, 140094), (3, 93396), (4, 70047), (6, 46698), (9, 31132), (12, 23349), (18, 15566), (36, 7783), (43, 6516), (86, 3258), (129, 2172), (172, 1629), (181, 1548), (258, 1086), (362, 774), (387, 724), (516, 543)]